178.
A. Valdmann, P. Piksarv, H. Valtna-Lukner, P. Saari, “White-light hyperbolic Airy beams,” Journal of Optics, in press, 2018.

177.
P. Saari, “Reexamination of group velocities of structured light pulses,” Phys. Rev. A, 97, No. 6, pp. 063824-11, 2018.

176.
P. Saari, “Observation of subluminal twisted light in vacuum: comment,” Optica, 4, No. 2, pp. 204-206, 2017.

175.
P. Saari, “Comments on “Slowing of Bessel light beam group velocity”,” Opt. Commun., 392, pp. 300-301, 2017.

174.
P. Saari, “On the vector model of angular momentum,” European Journal of Physics, 37, No. 5, pp. 055403-9, 2016.

151.
P. Bowlan, H. Valtna-Lukner, M. Lõhmus, P. Piksarv, P. Saari, R. Trebino, "Measurement of the spatiotemporal electric field of ultrashort superluminal Bessel-X pulses," Optics and Photonics News, OSA, 20, No. 12, pp. 42, 2009.

150.
H. Valtna-Lukner, P. Bowlan, M. Lõhmus, P. Piksarv, R. Trebino, P. Saari, "Direct spatiotemporal measurements of accelerating ultrashort Bessel-type light bullets," Optics Express, 17, No. 17, pp. 14948 - 14955, 2009; http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-17-14948.

149.
P. Saari,, "Airy pulse—a new member of family of localized waves," Laser Physics , 19, No. 4, pp. 725 - 729, 2009.

148.
P. Bowlan, H. Valtna-Lukner, M. Lõhmus, P. Piksarv, P. Saari, R. Trebino, "Measurement of the spatio-temporal field of ultrashort Bessel-X pulses," Optics Letters, 34, No. 15, pp. 2276 - 2278, 2009.

147.
C. J. R. Sheppard and P. Saari, "Lommel pulses: an analytic form for localized waves of the focus wave mode type with bandlimited spectrum," Opt. Express, 16, No. 1, pp. 150-160, 2008; http://www.opticsinfobase.org/abstract.cfm?URI=oe-16-1-150 .

146.
K. Reivelt and P. Saari, "Linear-optical generation of localized waves," In: Localized Waves: Theory and Applications, edited by H. E. Hernández-Figueroa, M. Zamboni-Rached, and E. Recami , J. Wiley, New Jersey, , pp. 185-213, 2008.

145.
H. Valtna , K. Reivelt, P. Saari, "Methods for generating wideband localized waves of superluminal group velocity," Opt. Commun., 278, No. 1, pp. 1-7, 2007.

144.
P. Saari, K. Reivelt, and H. Valtna, "Ultralocalized superluminal light pulses," Laser Physics, 17, No. 4, pp. 297--301, 2007.

142.
P. Saari, "How small a packet of photons can be made?," In: Biannual Report 2004/2005, Inst. Phys., Univ. of Tartu, pp. 56-60, 2006.

141.
H. Valtna, K. Reivelt and P. Saari, "Modifications of the focused X wave as suitable models of strongly localized waves for realization in the optical domain," J. Opt. A: Pure Appl. Opt., 8, No. 1, pp. 118--122, 2006.

140.
P. Saari, "How small a packet of photons can be made?," Laser Physics, 16, No. 4, pp. 556-561, 2006.

139.
P. Saari, M. Menert, and H. Valtna, "Photon localization barrier can be overcome," Opt. Commun., 246, No. 4-6, pp. 445-450, 2005.

138.
P. Saari and K. Reivelt, "Generation and classification of localized waves by Lorentz transformations in Fourier space," Phys. Rev. E, 69, No. 3, pp. 036612-12, 2004.

137.
K. Reivelt and P. Saari, "The Bessel-Gauss pulse as an appropriate mathematical model for optically realizable localized waves," Opt. Lett., 29, No. 11, pp. 1176-1178, 2004.

136.
P. Saari, "Localized waves in femtosecond optics," In: Ultrafast Photonics, Institute of Physics Publishing, Bristol and Philadelphia, pp. 317-340, 2004.

135.
K. Reivelt and P. Saari, "Experimental demonstration of realizability of optical focus wave modes," In: Selected Papers VIII, ICO Topical Meeting on Polarization Optics, June 30 -- July 3, 2003, Polvijärvi, Finland, University of Joensuu, Department of Optics, pp. 72-73, 2003.

134.
P. Saari, "Design of ultrashort localized pulsed wavefields," In: Selected Papers VIII, ICO Topical Meeting on Polarization Optics, June 30 -- July 3, 2003, Polvijärvi, Finland, University of Joensuu, Department of Optics, pp. 50-51, 2003.

133.
P. Saari, "Relativistic Doppler effect, aberration and Gouy effect on localized waves," Atti della Fondazione Giorgio Ronchi, Special Issue on "Anomalies and Strange Behavior in Physics: Challenging the Conventional", 58, No. 6, pp. 729-754, 2003.

132.
K. Reivelt and P. Saari, "Localized wave solutions of the scalar homogeneous wave equation and their optical implementation," arXiv/physics/0309079, pp. 0309079, 2003.

131.
K. Reivelt and P. Saari, "Self-reconstruction of three-dimensional images by pulsed wave fields," In: Biannual Report 2000/2001 , Füüsika Instituut, pp. 34-37, 2002.

130.
K. Reivelt and P. Saari, "Experimental demonstration of realizability of optical focus wave modes," Phys. Rev. E, 66, No. 5, pp. 056611, 2002.

129.
P. Saari, "Evolution of near-cycle pulses in focused optical beams," Laser Physics, 12, No. 4, pp. 812-817, 2002.

128.
K. Reivelt and P. Saari, "Optically realizable localized wave solutions of the homogeneous scalar wave equation," Phys. Rev. E, 65, No. 4, pp. 046622, 2002.

127.
K. Reivelt and P. Saari, "Optical generation of focus wave modes: errata," JOSA A, 18, No. 8, pp. 2026-2026, 2001.

126.
P. Saari, "Evolution of subcycle pulses in nonparaxial Gaussian beams," Opt. Express, OSA, 8, No. 11, pp. 590-598, 2001; http://www.opticsexpress.org/abstract.cfm?URI=OPEX-8-11-590 .

125.
P. Saari, "Superluminal localized waves of electromagnetic field in vacuo," In: Time's Arrows, Quantum Measurement and Superluminal Behavior, Scientific Monographs: Physics Sciences Series, Italian CNR Pub. Rome, pp. 37-48, 2001.

124.
P. Saari, "Essee," In: Eesti vabariigi teaduspreemiad 2000, Eesti TA, pp. 16-19, 2000.

123.
K. Reivelt and P. Saari, "Optical generation of focus wave modes," JOSA A, 17, No. 10, pp. 1785-1790, 2000.

122.
R. Kaarli, A. Freiberg, P. Saari, "Ultrafast Processes in Spectroscopy -- Proc. of X Int. Symp. UPS’97," , Inst. of Physics, Univ. of Tartu, pp. 270, 1998.

121.
P. Saari, "Superluminal localized waves in femtosecond optics," In: Ultrafast Phenomena XI (Eds. T. Elsaesser, J. G. Fujimoto, D.A. Wiersma, W. Zinth), Springer Verlag, Berlin -- Heidelberg -- New York, pp. 121-123, 1998.

120.
R. Kaarli, M. Rätsep, K. Reivelt, P. Saari, "Pattern recognition of femtosecond-duration images in temporally multiplexed optical memory," In: Ultrafast Processes in Spectroscopy -- Proc. of X Int. Symp. UPS’97 (Eds. R.Kaarli, A.Freiberg, and P.Saari), Inst. of Physics, Univ. of Tartu, pp. 88-93, 1998.

119.
P. Saari, K. Reivelt, M. Rätsep, H. Sõnajalg, "Localized X-type waves in femtosecond optics," In: Ultrafast Processes in Spectroscopy -- Proc. of X Int. Symp. UPS’97 (Eds. R.Kaarli, A.Freiberg, and P.Saari), Inst. of Physics, Univ. of Tartu, pp. 184-189, 1998.

118.
K. Reivelt, P. Saari, "Angular spectrum analysis and synthesis of propagation-invariant femtosecond-domain localized light fields," In: Ultrafast Processes in Spectroscopy -- Proc. of X Int. Symp. UPS’97 (Eds. R.Kaarli, A.Freiberg, and P.Saari) , Inst. of Physics, Univ. of Tartu, pp. 168-175, 1998.

117.
P. Saari, K. Reivelt, "Evidence of X-shaped propagation-invariant localized light waves," Phys. Rev. Lett., 79, No. 21, pp. 4135-4138, 1997.

116.
H. Sõnajalg, M. Rätsep, P. Saari, "Demonstration of the Bessel-X pulse propagating with strong lateral and longitudinal localization in a dispersive medium," Optics Lett., 22, No. 5, pp. 310-312, 1997.

114.
P. Saari, H. Sõnajalg, "Pulsed Bessel beams," Laser Physics, 7, No. 1, pp. 32-39, 1997.

113.
J. Fagerholm, A. T. Friberg, D. P. Morgan, P. Saari, M. M. Salomaa, "Nondiffracting Bessel X waves," In: 1996 IEEE Ultrasonics Symposium Proceedings, IEEE, pp. 543-546, 1996.

112.
H. Sõnajalg, P. Saari, "Suppression of temporal spread of ultrashort pulses in dispersive media by Bessel beam generators," Optics Lett., 21, No. 15, pp. 1162-1164, 1996.

111.
P. Saari, "Spatially and temporally nondiffracting ultrashort pulses," In: Ultrafast Processes in Spectroscopy (Eds. O.Svelto, S. De Silvestri, G. Denardo), Plenum Press, New York, pp. 151-156, 1996.

110.
H. Sõnajalg, P. Saari, "Diffraction efficiency in space-and-time-domain holography," J.Opt.Soc.Am.B, 11, No. 2, pp. 372-379, 1994.

109.
P. Saari, R. Kaarli, M. Rätsep, "Temporally multiplexed Fourier holography and pattern recognition of femtosecond-duration images," J.Lumin., 56, pp. 175-180, 1993.

108.
R. Kaarli, P. Saari, H. Sõnajalg, "Frequency-selective time-domain data storage and processing by the interference of stimulated photon echoes," Mol. Cryst. Liq. Cryst., 217, pp. 107-112, 1992.

107.
H. Sõnajalg, R. Kaarli, P. Saari, "Spectral-hole-burning-based optical elements for temporal shaping of light pulses," Journal de Physique IV, 1, pp. 737-739, 1991.

106.
P. Saari, R. Kaarli, H. Sõnajalg, "4-Dimensional photosensitive materials: applications for shaping, time domain holographic dissection and scanning of picosecond pulses," In: Holographic Optics III: Principles and Applications (Proc. of the 4th European Congr. on Optics, March 11-15, 1991, Haque), SPIE, 1507, pp. 500-508, 1991.

105.
R. Kaarli, P. Saari, H. Sõnajalg, "Time-and-space-domain-holography and shaping of light pulses by spectral hole-burning filters; new developments," In: Summ.-s of the papers presented at the Topical Meeting 'Persistent Spectral Hole-Burning: Science and Applications' , Sept. 26-28 1991, Monterey, USA , pp. 32-35, 1991.

104.
R. Kaarli, R. Sarapuu, H. Sõnajalg, P. Saari, "Interference of accumulated stimulated photon echoes and storage of temporal segments in time-and-space-domain holography," Optics Comm., 86, pp. 211-215, 1991.

103.
P. Saari, R. Sarapuu, "Phase conjugation and temporal reversal of light field possessing arbitrary polarization," In: Obrashchenie volnovogo fronta lazernogo izluchenija v nelineinyh sredah (Ed. A.S.Rubanov), Institute of Physics, BSSR Acad. Sci., Minsk, pp. 5-9, 1990.

102.
R. Sarapuu, P. Saari, "Time-and-space domain holography of vector field," In: Vektornaja i trehmernaja golografija (Ed. G.Sh.Kevanishvili), Georgian Technical University, Tbilisi, pp. 25-39, 1990.

101.
R. Kaarli, P. Saari, H. Sõnajalg, "Optical pulse shaping by spectral hole burning filters," In: Proc. of the 6th Int. Symp. Ultrafast Phenomena in Spectroscopy, Aug. 23-27, 1989, Neubrandenburg, GDR, Springer, Berlin, pp. 175-179, 1990.

100.
R. Kaarli, P. Saari, H. Sõnajalg, "A method for creating a narrow-band multifrequency amplitude-phase filter," SU Patent No.1579249,??? 1990.

99.
R. Kaarli, P. Saari, H. Sõnajalg, "Storage and reconstruction of ultrafast optical signal of arbitrary polarization and intensity dependence," In: Vektornaja i trehmernaja golografija (Ed. G.Sh.Kevanishvili), Georgian Technical University, Tbilisi, pp. 38-44, 1990.

98.
R. Kaarli, A. Rebane, K. Rebane, P. Saari, "Pico- and femtosecond photon echoes in doped low-temperature organic polymers and applications in time-space optical data processing," J. Lumin., 45, No. 1-6, pp. 401-405, 1990.

97.
P. Saari, "Generalization of holography based upon photochemically accumulated photon echo," Izv. AN SSSR ser.fiz., 53, No. 12, pp. 2295-2298, 1989.

96.
R. Kaarli, P. Saari, H. Sõnajalg, "A method for storing and retrieving data in spectrally-selective photochromic medium," SU Patent No.1538790,??? 1989.

95.
P. M. Saari, R. K. Kaarli, R. V. Sarapuu, H. R. Sõnajalg, "Polarization preserving phase conjugation and temporal reversal of an arbitrarily-polarized pulsed optical signal by means of time-and-space-domain holography," J. Quantum Electr., 25, No. 3, pp. 339-345, 1989.

94.
H. Sõnajalg, A. Gorokhovskii, R. Kaarli, V. Palm, M. Rätsep, P. Saari, "Optical pulse shaping by filters based on spectral hole burning," Optics Commun., 71, No. 6, pp. 377-380, 1989.

93.
R. Sarapuu, P. Saari, "Time-and-space domain holography of vector field," Proc. Estonian SSR Acad. Sci. Phys. Math., 37, No. 3, pp. 269-279, 1988.

92.
P. Saari, "Zero-phonon lines and time-and-space-domain holography of ultrafast events," In: Zero-Phonon Lines and Spectral Hole Burning in Spectroscopy and Photochemistry (Eds. O.Sild, K.Haller), Springer-Verlag, Berlin etc, pp. 123-142, 1988.

91.
K. K. Rebane, R. K. Kaarli, A. K. Rebane, P. M. Saari, "Photoburning of persistent spectral holes and space time holography of ultrafast events," In: Laser Optics of Condensed Matter (Eds. J. Birman, H. Cummins, A. Kaplyanskii), Plenum Press, New York, pp. 421-426, 1988.

90.
K. K. Rebane, R. K. Kaarli, P. M. Saari, A. K. Rebane, "Time-and-space-domain holography and optical information processing based on photoburning of spectral holes," In: Proc. SPIE, SPIE, 963, pp. 182-190, 1988.

89.
R. K. Kaarli, P. M. Saari, H. R. Sõnajalg, "Storage and play-back of polarized picosecond signal," In: Proc. of the 5th Int. Symp. Ultrafast Phenomena in Spectroscopy, 1987, Vilnius, World Scientific, Singapore, pp. 187-191, 1988.

88.
R. K. Kaarli, P. M. Saari, H. R. Sõnajalg, "Storage and reproduction of an ultrafast optical signal with arbitrarily time dependent wavefront and polarization," Optics Comm., 65, No. 3, pp. 170-174, 1988.

87.
K. Rebane, P. Saari, "Spectral hole burning and its applications for picosecond optical data-processing," Phys. Scripta, T19, pp. 604-611, 1987.

86.
R. Kaarli, A. Rebane, K. Rebane, P. Saari, "Spectrally highly selective photosensitive material and their application in picosecond holographic moving pictures," In: Progress in Basic Principles of Imaging Systems (Eds. F.Granser, E.Moisar), Friedr. Vieweg & Sohn, Braunschweig, pp. 709-712, 1987.

85.
J. Aaviksoo, P. Saari, K. Timpmann, A. Freiberg, "Picosecond resolution of transient spectra," In: Proc. of the 3rd All-Union Conf. on Laser Applications in Technology, Information Processing and Transfer, Nov. 11-13, 1987, Tallinn, pp. 104-105, 1987.

84.
J. Aaviksoo, A. Freiberg, P. Saari, T. Tamm, "Picosecond spectrochronography of pure and impurity crystals secondary radiation," Acta Physica Hung., 61, No. 1, pp. 59-62, 1987.

83.
P. M. Saari, "Problems in the study of coherence and relaxation of excitations in a low-temperature solid media," J. Sov. Laser Res. (USA), 6, No. 4, pp. 417-426, 1986.

82.
P. M. Saari, "Spectral memory," Bull. Acad. Sci. USSR Phys. Ser. (USA), 50, No. 4, pp. 112-116, 1986.

81.
P. Saari, "Zero-phonon lines and time-and-space domain holography of ultrafast events," In: Trudy IF AN ESSR, Inst. of Physics, Tartu, 59, pp. 157-184, 1986.

80.
R. Avarmaa, P. Saari, "Laser spectroscopy of crystals and molecules," In: Estonian SSR Academy of Sciences 1980-1985, Estonian Acad. Sci., Tallinn, pp. 29-37, 1986.

79.
R. Kaarli, A. Rebane, P. Saari, "Spectral memory -- photochemical hole-burning and time-and-space-domain holography," In: Proc. of the 4th Int. Symp. Ultrafast Phenomena in Spectroscopy, 1986, DDR, BSB Teubner, Leipzig, pp. 21-26, 1986.

78.
P. Saari, R. Kaarli, A. Rebane, "Picosecond time-and-space-domain holography by photochemical hole burning," In: Proc. SPIE, SPIE, 675, pp. 53-61, 1986.

77.
R. Kaarli, A. Rebane, P. Saari, "A method for creating holograms," SU Patent No.1218818, 1986.

76.
R. Kaarli, A. Rebane, P. Saari, "A method for creating a holographic scanner," SU Patent No.1251008 from April 15, 1986.

75.
R. Kaarli, A. Rebane, K. Rebane, P. Saari, "Time-and-space-domain holography by photochemically accumulated stimulated photon echo," Izv. AN SSSR Fiz., 50, No. 8, pp. 1468-1473, 1986.

74.
A. Rebane, R. Kaarli, P. Saari, "Storage of time-and-space-domain holograms in spectrally highly-selective media," In: Ob'emnye registrirujushchie sredy (Ed. Yu.N.Denisyuk), Nauka, Leningrad, pp. 32-40, 1986.

73.
P. Saari, R. Kaarli, A. Rebane, "Picosecond time- and space-domain holography by photochemical hole burning," J. Opt. Soc. Amer. B, 3, No. 4, pp. 527-534, 1986.

72.
R. Kaarli, J. Kikas, A. Rebane, P. Saari, "Space-time holography of picosecond pulsed fields in highly-selective photochromic media," Laser. Chem., 6, No. 3, pp. 165-180, 1986.

71.
R. Kaarli, J. Kikas, A. Rebane, P. Saari, "Space-domain holography of picosecond pulsed fields in highly-selective photochromic media," In: Lasers in Atomic, Molecular and Nuclear Physics (Ed. V.Letokhov), HAP, New York, pp. 197-212, 1986.

70.
A. K. Rebane, R. K. Kaarli, P. M. Saari, "Storing of imige and wavefront conjugation of distorted picosecond signal by space-and-time holography based on photochemical hole-burning," Proc. Est. Acad. Sci. Phys. Math., 34, No. 4, pp. 444-448, 1985.

69.
A. K. Rebane, R. K. Kaarli, P. M. Saari, "Recording of picosecond wavefronts by photochemically accumulated stimulated photon echo," Proc. Est. Acad. Sci. Phys. Math., 34, No. 3, pp. 328-330, 1985.

68.
P. M. Saari, R. K. Kaarli, A. K. Rebane, "Holography of space-time events," Sov. J. Quantum Electron. (USA), 12, No. 4, pp. 443-449, 1985.

67.
J. Aaviksoo, D. Feklistov, P. Saari, "Demodulation of AM/FM optical signals in the picosecond domain," Opt. Commun., 54, No. 6, pp. 369-373, 1985.

66.
V. B. Beljanin, V. T. Mihkelsoo, P. M. Saari, "Experience of R&D of laser systems," Vestnik Akad. Nauk USSR, No. 4, pp. 67-72, 1984.

65.
P. Saari, A. Rebane, "Spatial-temporal holography of pulsed light fields in higly selective photochromic media," Proc. Estonian SSR Acad. Sci. Phys. Math., 33, No. 3, pp. 322-332, 1984.

64.
K. K. Rebane, P. M. Saari, "Study of picosecond relaxation in organic and bioorganic systems," Izv. AN SSSR, Ser. Fiz, 48, pp. 428-432, 1984.

63.
A. Rebane, R. Kaarli, P. Saari, "Burning and probing of photochemical holes with picosecond pulses," J. Mol. Struct., 114, No. 2, pp. 343-345, 1984.

62.
R. K. Kaarli, A. K. Rebane, P. M. Saari, "A method for optical storing and retrieving of information in spectrally selective media," SU Patent No.1128814, 1984.

61.
R. Kaarli, A. Rebane, P. Saari, "Hole burning in inhomogeneously broadened spectra of polymethine and oxazine dyes in low-temperature matrices," Proc. Estonian SSR Acad. Sci. Phys. Math., 32, No. 4, pp. 347-350, 1983.

60.
P. Saari, "Spectrochronography of molecular luminescence," Izv. AN SSSR, Ser. Fiz., 47, No. 7, pp. 1370 -1374, 1983.

59.
A. Freiberg, P. Saari, "Picosecond spectrochronography," IEEE J. Quant. Electr., QE-19, No. 4, pp. 622-630, 1983.

58.
A. K. Rebane, R. K. Kaarli, P. M. Saari, "Burning out a complex-shaped hole by a coherent series of picosecond pulses," Opt. & Spectrosc. (USA), 55, No. 3, pp. 238-239, 1983.

57.
A. Rebane, R. Kaarli, P. Saari, "Dynamic picosecond holography produced by means of photochemical hole burning," JETP Lett. (USA), 38, No. 7, pp. 383-386, 1983.

56.
A. Rebane, R. Kaarli, P. Saari, A. Anijalg, K. Timpmann, "Photochemical time-domain holography of weak picosecond pulses," Opt. Commun., 47, No. 3, pp. 173-176, 1983.

55.
J. Aaviksoo, P. Saari, A. Freiberg, "Electron-optical spectrochronograph with time-resolution in the picosecond domain," SU Patent No.1057785 from Aug.1, 1983.

54.
A. Anijalg, P. Saari, T. Tamm, K. Timpmann, A. Freiberg, "Time-resolved spectroscopy of "hot" luminescence as a method for investigation of picosecond relaxation in molecular systems," Sov. J.Quantum Electron., 12, No. 12, pp. 1597-1601, 1982.

53.
A. Anijalg, J. Berik, A. Vill, P. Kukk, V. Mihkelsoo, P. Saari, K. Timpmann, A. Freiberg, "Laser spectrometers in nano- and picosecond time domain," In: Proc. of the 2nd Soviet - France Symp. on Optical Engineering, March 16-21, 1981, Moscow, pp. 15-25, 1982.

52.
J. Aaviksoo, A. Anijalg, A. Freiberg, M. Lepik, P. Saari, T. Tamm, K. Timpmann, "Direct picosecond resolving of hot luminescence spectrum," In: Picosecond Phenomena III, Eds. K.B.Eisental, R.M.Hochstrasser, W.Kaiser, A.Laubereau, Springer, New York, pp. 192-195, 1982.

51.
J. Aaviksoo, G. Liidja, P. Saari, "Luminescence spectra of anthracene crystals at 0.4 K," Phys. Stat. Sol. (b), 110, No. 1, pp. 69-73, 1982.

50.
P. Saari, K. Rebane, "Phonon relaxation in crystals studied by hot luminescence," J. de Physique, 42, No. 12, pp. C6-502, 1981.

49.
K. K. Rebane, P. M. Saari, "Phonon relaxation in crystals studied by hot luminescence," In: Proc. of Intern. Conf. on Phonon Physics, Aug. 31 - Sept. 3, 1981, Bloomington, pp. 88, 1981.

48.
P. Saari, J. Aaviksoo, A. Freiberg, K. Timpmann, "Elimination of excess pulse broadening at high spectral resolution of picosecond duration light pulses," In: Proc. of the Intern. Conf. Lasers'81, Dec. 14-18, 1981, New Orleans, pp. 997-1001, 1981.

47.
P. Saari, J. Aaviksoo, A. Freiberg, K. Timpmann, "Elimination of excess pulse broadening at high spectral resolution of picosecond duration light emission," Opt. Comm., 39, No. 1/2, pp. 94-98, 1981.

46.
J. Aaviksoo, P. Saari, T. Tamm, "Picosecond relaxation of vibronic excitations in molecular crystals," In: Proc. of the 2nd Intern. Symp. Ultrafast Phenomena in Spectroscopy, Vol.2, Oct. 30- Nov. 5, 1980, Reinhardsbrunn, pp. 479-485, 1981.

45.
P. Saari, "Hot luminescence and relaxation processes in crystals ( Abstr. of doct. of sciences theses)," , Institute of Physics of the Estonian SSR Acad. Sci., Tartu, pp. 23, 1980.

44.
P. Saari, "Hot luminescence and relaxation processes in crystals (Doct. of Sci. theses)," , Institute of Physics, Tartu, pp. 178, 1980.

43.
T. B. Tamm, P. M. Saari, "On fluorescence fine strucrure spectrum of coumarine 6," Zhurnal prikladnoj spektroskopij, 32, No. 1, pp. 150-151, 1980.

42.
A. Freiberg, A. Anijalg, P. Kukk, V. Mihkelsoo, P. Saari, K. Timpmann, E. Schults, "Picosecond spectrochronograph with synchroscanned image converter tube and optical image analyzer," In: Proc. of the 14th Intern. Congr. on High Speed Photography and Photonics, Oct. 19-24, 1980, Moscow, pp. 148-151, 1980.

41.
A. Freiberg, A. Raidaru, A. Anijalg, K. Timpmann, P. Kukk, P. Saari, "Streak camera operating in synchronism with a picosecond laser for real-time optical process measurement," Proc. Est. Acad. Sci. Phys. Math., 29, No. 2, pp. 187-194, 1980.

40.
A. Anijalg, A. Freiberg, R. Kaarli, P. Kukk, P. Saari, K. Timpmann, "Investigation of ultrafast processes with the help of a continously-operating streak camera," In: Proc. of the 2nd Intern. Symp. Ultrafast Phenomena in Spectroscopy, Oct.30- Nov.5, 1980, Reinhardsbrunn, pp. 95-99, 1980.

39.
R. Kaarli, J. Aaviksoo, A. Freiberg, P. Saari, "Time-resolved coherent anti-Stokes Raman scattering by a single synchronously pumped mode-locked CW dye laser," Proc. Estonian Acad. Sci. Phys. Math., 29, No. 2, pp. 181-186, 1980.

38.
J. Aaviksoo, P. Saari, T. Tamm, "The properties of the resonant secondary emission of anthracene," Izv. AN SSSR, Ser. Fiz., 44, No. 4, pp. 848-853, 1980.

37.
P. Saari, "Hot luminescence study of picosecond vibrational relaxation," In: Ultrafast relaxation and secondary light emission, Estonian Academy of Sciences, Tallinn, pp. 142/146, 1979.

36.
P. Saari, "On the distinction between resonant scattering and hot luminescence: Application of the theory to experiment," In: Light Scattering of Solids (Ed.-s J.L.Birman, H.Z.Cummins, K.K.Rebane), Plenum Press, New York, pp. 315-329, 1979.

35.
T. Tamm, P. Saari, "Hot luminescence study of the inter-molecular thermal bath of aromatics," Chem. Phys., 40, No. 3, pp. 311-319, 1979.

34.
J. Aaviksoo, P. Saari, T. Tamm, "Resonant secondary emission anthracene crystals in the exciton absorption region," Ukr. Fiz. Zhurn., 24, No. 12, pp. 1873-1878, 1979.

33.
R. Kaarli, J. Aaviksoo, A. Vill, P. Kukk, P. Saari, A. Freiberg, "Stable multi-frequency emission of picosecond pulses from a synchronously pumped dye laser," Sov. J. Quant. Electr., 9, No. 12, pp. 1559-1561, 1979.

32.
J. Aaviksoo, P. Saari, T. Tamm, "Resonant Raman scattering and hot luminescence of anthracene monocrystals in the exciton resonance region," JETP Lett., 29, No. 7, pp. 362-364, 1979.

31.
P. Saari, "On the problem of observability in the theory of transient emission spectra," Proc. Estonian SSR Acad. Sci. Phys. Math., 27, No. 1, pp. 109-111, 1978.

30.
A. Anijalg, A. Lõhmus, P. Saari, "Vibrational relaxation of PbS molecule in neon matrix," Proc. Estonian SSR Acad. Sci. Phys. Math., 27, pp. 326-332, 1978.

29.
P. M. Saari, T. B. Tamm, "Features of vibrational relaxation of anthracene molecule isolated in matrice," Izv. AN SSSR, Ser. Fiz., 42, No. 3, pp. 562-567, 1978.

28.
K. K. Rebane, P. M. Saari, "Hot luminescence and relaxation processes in resonant secondary emission of solid matter," J. of Luminescence, 16, No. 3, pp. 223-243, 1978.

27.
J. Aaviksoo, A. Anijalg, P. Saari, T. Soovik, "Hot luminescence of sodium nitrite," Sov. Phys.-Solid State, 19, No. 3, pp. 477-479, 1977.

26.
V. Plekhanov, P. Saari, "Hot luminescence of self-trapped excitons in PbBr2," Solid State Comm., 19, No. 8, pp. 755-757, 1976.

25.
K. K. Rebane, P. M. Saari, "Hot luminescence and relaxation processes in luminescence centres in crystals," Uspekhi fiz. nauk, 120, No. 3, pp. 1502-1504, 1976.

24.
K. K. Rebane, P. M. Saari, "Hot luminescence and relaxation processes," Bull. Acad. Sci. USSR Phys. Ser. (USA), 40, pp. 8-13, 1976.

23.
K. Rebane, P. Saari, "Hot luminescence and relaxation processes in the centres of luminescence," Preprint FI-42, Inst. of Physics, Tartu, pp. 37, 1976.

22.
K. Rebane, P. Saari, "Hot luminescence and relaxation processes in centres of luminescence," J. Luminescence, 12/13, pp. 23-31, 1976.

21.
P. M. Saari, T. B. Tamm, "Correspondence of the multiplets in different electronic transitions of 1,12 benzperylene in solid matrices," Opt. & Spectrosc. (USA), 40, No. 4, pp. 395-399, 1976.

20.
G. Liidja, V. Plekhanov, P. Saari, "Edge photoluminescence of excitons in PbBr2," Proc. Estonian SSR Acad. Sci. Phys. Math., 24, pp. 349-351, 1975.

19.
P. M. Saari, T. B. Tamm, "Correlation of the nonuniform structure of the spectra of different electronic transitions in impurity molecules in solid matrices," Bull. Acad. Sci. USSR Phys. Ser. (USA), 39, No. 11, pp. 80-83, 1975.

18.
T. B. Tamm, P. M. Saari, "Correspondence of the components of multiplets in the fluorescence spectra of 1,2 benzopyrene in solid matrices," Opt. & Spectrosc. (USA), 38, No. 5, pp. 594-595, 1975.

17.
P. Saari, T. Tamm, "Correlation of multiplets in different electronic transitions of 1,12 benzperylene in solid matrices," Chem. Phys. Lett., 30, No. 2, pp. 219-222, 1975.

16.
P. Saari, "Relaksatsiooniprotsessid ja kuum luminestsents," In: Kristall ja valgus, ELUS täppisteaduste sekts. Toimet. VIII, Valgus, Tallin, pp. 66-76, 1975.

15.
T. B. Tamm, P. M. Saari, "Hot vibronic transitions and lifetimes of vibrational states of perylene molecule," Optika i spektroskopia, 36, No. 2, pp. 328-334, 1974.

14.
K. Rebane, P. Saari, T. Mauring, "Hot luminescence of impurity molecular ions in alkali halide crystals," Izv. Akad. Nauk SSSR Ser. Fiz., 37, pp. 848-854, 1973.

13.
P. Saari, "Hot luminescence and relaxation processes in impurity centers (Cand. Sci. theses)," , Inst. of Physics of the Estonian SSR Acad. Sci., pp. 174, 1972.

12.
P. Saari, "Hot luminescence and relaxation processes in impurity centers ( Abstr. of cand. sci. theses)," , Tartu State University, Tartu, pp. 16, 1972.

11.
P. Saari, "Hot luminescence investigation of vibrational relaxation rates in KCl- NO2-," Phys. Stat. Sol.(b), 47, pp. K79-K81, 1971.

10.
K. Rebane, L. Rebane, R. Avarmaa, P. Saari, "Scattering, luminescence and hot luminescence in the resonant secondary radiation of the molecule NO2- in alkali halide crystals," In: Light Scattering in Solids, Flammarion Sciences, Paris, pp. 72-76, 1971.

9.
K. Rebane, P. Saari, T. Tamm, "Nature of multiplets and phonon side-band in spectra of some Shpolski systems," Proc. Estonian SSR Acad. Sci., 19, No. 2, pp. 251-254, 1970.

8.
L. A. Rebane, P. M. Saari, "Structure of phonon side-band in luminescence spectrum of O2- in alkali halide crystals," Fizika tverdogo tela, 12, No. 7, pp. 1945-1952, 1970.

7.
L. Rebane, P. Saari, "Parameters of local vibrations of O2- centers in alkali halide crystals," Proc. Estonian SSR Acad. Sci. Phys. Math., 19, No. 1, pp. 120-123, 1970.

6.
P. Saari, R. Avarmaa, "On the problem of rotational relaxation of impurity ion NO2- in KCl," Proc. Estonian SSR Acad. Sci. Phys. Math., 19, No. 1, pp. 115-118, 1970.

5.
L. Rebane, P. Saari, R. Avarmaa, "Vibrational relaxation and non-radiative transitions in some molecular luminescence centres," Proc. Estonian SSR Acad. Sci. Phys. Math., 19, No. 1, pp. 44-56, 1970.

4.
R. Avarmaa, P. Saari, "Spectroscopic investigation of rotational relaxation in KCl- NO2-," Phys. Stat. Sol., 36, No. 2, pp. K177-K179, 1969.

3.
P. Saari, K. Rebane, "Hot luminescence lines in the secondary radiation spectra of KCl- NO2- and KBr- NO2-," Solid State Comm., 7, No. 12, pp. 887-890, 1969.

2.
P. Saari, K. Rebane, "Hot luminescence in secondary emission spectra of KCl- NO2- and KBr- NO2-," Proc. Estonian SSR Acad. Sci. Phys. Math., 18, No. 2, pp. 255-256, 1969.

1.
K. Rebane, P. Saari, "Decay time of NO2- local mode quantum into phonons," Proc. Estonian SSR Acad. Sci. Phys. Math., 17, No. 2, pp. 241-244, 1968.
Date of submission of the manuscript of this paper -- 16.02.1968 -- has been fixed as the priority date in the entry No.243 "The phenomenon of hot luminescence" in the USSR National Registry of Discoveries.

　Konverentside teesid     Conference Abstracts

84.
P. Piksarv, H. Valtna-Lukner, A. Valdman, M. Lõhmus, R. Matt, P. Saari, “Measuring the Suppression of Ultrashort Pulses into Airy-Bessel Light Bullets with Almost Single-Cycle Temporal Resolution,” Europhysics Conference Abstracts, XVIIIth International Conference on Ultrafast Phenomena, Lausanne, Switzerland, 8-13 July 2012, European Physical Society, 36B, 2012.

77.
H. Valtna-Lukner, M. Lõhmus, P. Piksarv, P. Saari, P. Bowlan, R. Trebino, "Valgusimpulsside difraktsiooni ja ülevalguskiirusega levi uurimine femtosekundilise ajalise ja mikromeetrilise ruumilise lahutusega," Füüsikakroonika 2008, teesid XXIX Eesti füüsikapäevade ja XXXI füüsikaõpetajate päevadeks, Tartu, 17-18 märts 2009, Eesti Füüsika Selts, pp. 127 -128, 2009.

76.
P. Bowlan, M. Lõhmus, P. Piksarv, H. Valtna-Lukner, P. Saari, L. Xu, P. Schlup, O. Masihzadeh, R. A. Bartels, R. Trebino, "Measuring the complete spatio-temporal intensity and phase of complex ultrashort pulses," Abtsracts of UltraFast Optics (UFO VII) and High Field Short Wavelength (HFSW XIII) meetings, Arcachon (France) 31.08-4.09 2009 , Bordeaux University I, pp. 023-1 - 023-3, 2009.

75.
P. Saari, P. Bowlan, H. Lukner, M. Lõhmus, P. Piksarv, R. Trebino, "Time-and-space-domain study of diffracting and "non-diffracting" light pulses," Abstracts of the Conference Northern Optics 2009, 26-28 August, Vilnius, Lihtuania, Vilnius University, pp. 27, 2009.

74.
P. Bowlan, M. Lõhmus, P. Piksarv, H. Valtna-Lukner, P. Saari, R. Trebino, "Measuring the spatio-temporal field of diffracting ultrashort pulses," In: OSA Technical Digest (CD) : Frontiers in Optics, 11-15 October, California, USA. , 2009, pp. FTu05, 2009, http://arxiv.org/abs/0905.4381 .

73.
P. Bowlan, R. Trebino, H. Valtna-Lukner, M. Lõhmus, P. Piksarv, P. Saari, "Measuring the spatiotemporal electric field of superluminal ultrashort pulses," Advanced Programme : The European Conference on Lasers and Electro-Optics and the XIth European Quantum Electronics Conference (CLEO/Europe-EQEC) 14-19 June 2009, Munich, Germany, pp. CF6.6 THU, 2009.

72.
P. Saari, P. Bowlan, H. Lukner, M. Lõhmus, P. Piksarv, R. Trebino, "Directly recording diffraction phenomena in time domain," Abstracts of the eighteenth annual International Laser Physics Workshop (LPHYS'09) 13-17 July 2009, Barcelona, Spain, pp. 29, 2009.

71.
M. Lõhmus, P. Bowlan, R. Trebino, H. Valtna-Lukner, P. Piksarv, P. Saari, "Directly recording diffraction phenomena in time domain," Abstracts of the Conference Northern Optics 2009, 26-28 August, Vilnius, Lihtuania, Vilnius University, pp. 47, 2009.

70.
P. Bowlan, R. Trebino, H. Lukner, M. Lõhmus, P. Piksarv, P. Saari, "Directly measuring the spatiotemporal electric field of ultrashort Bessel-X pulses," In: Technical Digest of the Conference on Lasers and Electro-Optics (CLEO) and The International Quantum Electronics Conference (IQEC) May 31 – June 5, 2009; Baltimore, Maryland, USA, pp. CThW6, 2009, http://arxiv.org/abs/0904.1817 .

69.
O. Rebane, M. Lõhmus, P. Saari, "Image formation of radially and temporally truncated Bessel beams," Abstracts of the Conference Northern Optics 2009, 26-28 August, Vilnius, Lihtuania, Vilnius University, pp. 48, 2009.

68.
P. Saari, "Localized waves as relativistically boosted EM fields," Abstracts of Progress in Electromagnetic Research Symposium, Hangzhou, China, March 24-28, 2008, The Electromagnetics Academy, Cambridge, Massachusetts, USA, pp. 886, 2008.

67.
K. Reivelt, H. Valtna and P. Saari, "Optical generation of superluminal localized wave solutions of homogeneous wave equation," Technical digest, Northern Optics 2006, June 14-16, IEEE, pp. 83, 2006.

66.
H. Valtna, P. Saari, "Novel approach for generation of superluminal localized wavefields," Technical digest, Northern Optics 2006, June 14-16, IEEE, pp. 47, 2006.

65.
P. Saari, "Ultralocalized superluminal light pulses," Book of abstracts of 15th Intern. Laser Physics Workshop, Lausanne, Switzerland July 24-28, pp. 28, 2006.

64.
P. Saari, "How small a packet of photons can be made?," Book of abstracts of 14th Intern. Laser Physics Workshop, Kyoto, Japan, July 4-8, pp. 39, 2005.

63.
P. Saari, "Localized waves and relativity," Extended abstracts of Intern. conf. PIERS’04, University of Roma, pp. 445-450, 2004.

62.
P. Saari, "Relativistically boosted localized waves," Abstracts of 12th Intern. Laser Physics Workshop, Hamburg, Germany, August 25-29, Hamburg University, pp. 66, 2003.

61.
P. Saari, "Evolution of near-cycle pulses in focused optical beams," Abstr. of the 10th Intern. Workshop on Laser Physics, Moscow, July 3-7, Russia, Russian Acad. Sci., pp. 47-48, 2001.

60.
P. Saari, "Implementation of superluminal localized waves in ultrafast optics," Technical Digest of XI Int. Symp. on Ultrafast Phenomena in Spectroscopy, Taipei,Oct.25-29, 1999, Taiwan, Academia Sinica, R.O.C., pp. Th13, 1-2, 1999.

59.
H. Sõnajalg, P. Saari, "Holographic elements for shaping localized waves," EOS Topical Meeting Digest Series, Diffractive Optics, Jena, August 22-25, 1999, Germany, European Optical Society, 22, pp. 256, 1999.

58.
K. Reivelt, P. Saari, "Optical generation of focus wave modes," EOS Topical Meeting Digest Series, Diffractive Optics, Jena, August 22-25, 1999, Germany, European Optical Society, 22, pp. 141, 1999.

57.
P. Saari, "Superluminal localized waves in femtosecond optics," Technical Digest of XI Int. Conf. on Ultrafast Phenomena, Garmisch-Partenkirchen, July 12-17, 1998, Germany, Institut für Medizinische Optik, Universität München, pp. 144-145, 1998.

56.
K. Reivelt, P. Saari, "Optical generation of propagation-invariant femtosecond-domain localized wave fields," Abstr. of the 7th Intern. Workshop on Laser Physics, Berlin, July 6-10, Germany, German Phys. Society, 2, pp. 45-46, 1998.

55.
P. Saari, "Superluminal localized waves and their relation to tachyons," Abstr. of the 7th Intern. Workshop on Laser Physics, Berlin, July 6-10, Germany, German Phys. Society, 2, pp. 49-50, 1998.

54.
P. Saari, K. Reivelt, M. Rätsep, H. Sõnajalg, "Localized X-type waves in femtosecond optics," Technical Digest of X Int. Symp. on Ultrafast Phenomena in Spectroscopy, Tartu, Aug.24-28, 1997, Estonia, Inst. of Physics, Univ. of Tartu, pp. 26-27, 1997.

53.
K. Reivelt, P. Saari, "Angular spectrum analysis and synthesis of propagation-invariant femtosecond-domain localized light fields," Technical Digest of X Int. Symp. on Ultrafast Phenomena in Spectroscopy, Tartu, Aug.24-28, 1997, Estonia, Inst. of Physics, Univ. of Tartu, pp. 126-127, 1997.

51.
J. Fagerholm, A. T. Friberg, D. P. Morgan, P. Saari, M. M. Salomaa, "Nondiffracting Bessel X waves," Abstr. of the IEEE Symp. on Ultrasonics, San Antonio, Nov. 2-6, Texas, USA, pp. 135, 1996.

50.
H. Sõnajalg, P. Saari, "Holographically generated Bessel beams with predefined spectral dependence of the propagation constant," Abstr. of the Intern. Conf. Advanced Optical Materials and Devices, August 26-29, Riga, pp. 62, 1996.

49.
H. Sõnajalg, P. Saari, "Time-domain impulse response of the holographic Bessel beam generator: Compensation of the dispersive broadening," Abstr. of the Intern. Conf. Holography'96, April 1-5, 1996, St.-Petersburg, pp. 3, 1996.

48.
P. Saari, "Spatially and temporally nondiffracting ultrashort pulses," Technical Digest of IX Int. Symp. on Ultrafast Processes in Spectroscopy, Trieste, Oct.30-Nov.3, 1995, Italy, International Centre for Theoretical Phyics, Trieste, pp. TuB2, 1995.

47.
P. Saari, R. Kaarli, M. Rätsep, "Temporally multiplexed Fourier holography, pattern recognition and wavelet analysis of femtosecond signals," Abstr. of the VIIIth Intern. Symp. on Ultrafast Processes in Spectroscopy, Sept. 26-30, 1993, Vilnius,??? 1993.

46.
P. Saari, R. Kaarli, M. Rätsep, H. Sõnajalg, "Photochemical hole burning in time domain: new applications," Abstr. of the IVth Nordic-Baltic Workshop on Photochemistry, Aug.22-24, 1993, Tartu,??? 1993.

45.
P. Saari, R. Kaarli, M. Rätsep, "Picosecond-domain-multiplexed Fourier holograms and pattern recognition of femtosecond-duration images," Abstr. of the III Conf. on Wavefront conjugation and dynamic holography, Dec. 7-9, 1993, Minsk,??? 1993.

44.
P. Saari, "'Frozen in' degenerate four-wave mixing effects of pulsed light fields," Abstr. of the VIIth Intern. Symp. on Ultrafast Processes in Spectroscopy, Oct. 7-10, 1991, Bayreuth, pp. MO6-2, 1991.

43.
R. Kaarli, P. Saari, H. Sõnajalg, "Spectral-hole-burning-based optical elements for temporal shaping of light pulses," Abstr. of the 2nd International Conference Laser M2P, July 9-11, 1991, Grenoble, France,??? 1991.

42.
R. Kaarli, P. Saari, H. Sõnajalg, "Interference of accumulated stimulated photon echo and its application for optical storage of information," Abstr. of 14th Int. Conf. of coherent and nonlinear optics, 1991, Leningrad, 1, pp. 181-182, 1991.

41.
R. Kaarli, P. Saari, H. Sõnajalg, "Frequency selective time-domain data storage by the interference of stimulated photon echoes," Abstr. of the 5th Int. Conf. on Unconventional Photoactive Solids, Oct. 13-17, 1991, Okazaki, Japan, pp. 310-313, 1991.

40.
H. Sõnajalg, R. Kaarli, P. Saari, "Spectral-hole-burning-based filters for temporal shaping of light pulses," Abs. VIIth Int. Symp. on Ultrafast Processes in Spectroscopy, Oct. 7-10, 1991, Bayreuth, Germany, pp. Mo 2-4, 1991.

39.
P. Saari, "4D-holography of picosecond signals based on photochemical hole burning," Abstr. of the Intern. Symp. on Optical Memory, Sept. 26-28, Kobe, Japan, pp. 135-136, 1989.

38.
R. Kaarli, P. Saari, A. Rebane, K. Rebane, "Pico- and femtosecond photon echoes in doped low-temperature organic polymers and applications in time-space optical data storage," Abstr. of 7th Int. Conf. on Dynamical Processes in Solids, Aug.30-Sept.2, 1989, Athens, pp. P19.4, 1989.

37.
R. Kaarli, P. Saari, A. Rebane, K. Rebane, "Pico- and femtosecond optical recalls of persistent hole-burning systems and applications in optical data processing," Abstr. of the 4th Int. Conf. on Unconv. Photoactive Solids, Oct.15-18 1989,Almaden, San Jose, California, USA, pp. 24, 1989.

36.
R. K. Kaarli, P. M. Saari, H. R. Sõnajalg, "Optical pulse shaping by spectral hole burning filters," Abstr. of the VI Int. Symp. on Ultrafast Phenomena in spectroscopy, UPS-89, Neubrandenburg, GDR, pp. 48, 1989.

35.
R. K. Kaarli, P. M. Saari, R. V. Sarapuu, H. R. Sõnajalg, "Temporal reversal of an arbitrarily-polarized picosecond spatial imiges," Abstr. of 13th Conf. of coherent and nonlinear optics, 1988, Minsk, pp. 133-134, 1988.

34.
K. Rebane, P. Saari, "Spectral hole-burning and its applications for picosecond optical data-processing," Abstr. of the 7th General Conf. of Condensed Matter Physics, April 7-10, 1987, Pisa, Italy,??? 1987.

33.
P. Saari, "Space-and-time-domain holography - applications in spectroscopy and data processing," Abstr. of the Intern. Symp. New methods in Laser Spectroscpy of molecules in low-temperature media, May 19-21, 1987, Tallinn, pp. 66, 1987.

32.
K. Rebane, P. Saari, "Photochemical hole burning and its application in picosecond optical data processing," Abstr. of the 5th Intern. Symp. Ultrafast Processes in Spectroscopy, Aug. 22-25, 1987, Vilnius, pp. 22-23, 1987.

31.
K. K. Rebane, R. K. Kaarli, A. K. Rebane, P. M. Saari, "Application of time-and-space holography in optical date processing," Abstr. of 3th Sov. Symp. Application of lasers in technology and in information processing, 1987, Tallinn, 1, pp. 6-7, 1987.

30.
K. K. Rebane, R. K. Kaarli, A. K. Rebane, P. M. Saari, "Application of time-and-space holography in optical date storing and processing," Abstr. of 3th Sov. Symp. in optoelectronics, 1987, Jerevan, 1, pp. 126, 1987.

29.
R. K. Kaarli, P. M. Saari, H. R. Sõnajalg, "Holography of polarization dependences of picosecond optical fields in high selective photochromic media," Abstr. of Symp. Modern methods of laser spectroscopy of molecules in low-temperature media, Tallinn, 1987, pp. 41-42, 1987.

28.
K. Rebane, R. Kaarli, A. Rebane, P. Saari, "Photoburning of persistent spectral holes and space-time domain holography of ultrafast events of nano- and picosecond duration," Abstr. of the 3rd USSR-USA Symposium on Laser Optics of Condensed Matter, 1987, Leningrad, pp. 37, 1987.

27.
R. K. Kaarli, P. M. Saari, H. R. Sõnajalg, "Storage and recalling of time dependence of the vector of polarization of picosecond signal," Abstr. V Int. Symp. of ultrafast processes in spectroscopy, 1987, Vilnius, pp. 133-134, 1987.

26.
R. K. Kaarli, A. K. Rebane, P. M. Saari, "Holographical storing and processing of ultrafast optical signals by the method of accumulated photon echo in high selective impurity media," Abstr. VI Sov. Symp. of ion-crystals, Riga, 1986, pp. 459, 1986.

25.
R. Kaarli, A. Rebane, K. Rebane, P. Saari, "Spectrally highly selective photosensitive materials and their application in holography moving pictures," Abstr. of ICPS, Sept.10-17, 1986, Koeln, pp. 187, 1986.

24.
A. K. Rebane, R. K. Kaarli, P. M. Saari, "Picosecond coherent responses in impurity systems by photochemical hole burning," Abstr. XII Sov. Conf. of nonlinear and coherent optics, Moskva, 1985, 1, pp. 19-20, 1985.

23.
R. K. Kaarli, A. K. Rebane, K. K. Rebane, P. M. Saari, "Time-and-space holography by photochemically accumulated stimulated photon echo," Abstr. III Sov. Symp. of photon echo and coherent optics, Harkov, 1985, pp. 92, 1985.

22.
R. Kaarli, A. Rebane, P. Saari, "Storage and reproduction of picosecond light pulses by photochemical holeburning," Abstracts of IV Intern. Symp. Ultrafast Phenomena of Spectroscopy, Oct.23-26, 1985, Reinhardsbrunn, GDR, pp. Th5, 1985.

21.
R. Kaarli, K. Rebane, P. Saari, "Photochemical holeburning - present status and further prospects," Abstr. of the XI Molecular Crystal Symposium, Sept. 30 - Oct. 4, 1985, Lugano, Switzerland, pp. 311-312, 1985.

20.
R. K. Kaarli, A. K. Rebane, P. M. Saari, "Ultrafast holography of space-time events based on photochemically accumulated photon echo," Abstr. Sov. Symp. of modern phys. methods, 1984, Habarovsk, pp. 12, 1984.

19.
R. Kaarli, A. Rebane, P. Saari, "High-yield picosecond photon echoes by photochemical hole burning," Abstr. of Topical Meeting on Ultrafast Phenomena, Monterey, California, June 12-15, 1984, pp. ThE12, 1984.

18.
J. Aaviksoo, A. Freiberg, J. Lippmaa, T. Reinot, P. Saari, S. Savikhin, "Picosecond dynamics of polaritons in anthracene - a spectrochronographic study," Abstr. of the Topical Meeting on Ultrafast Phenomena, June 12-15, 1984, Monterey, pp. WB91-WB94, 1984.

17.
J. Aaviksoo, P. Saari, "Polariton spectroscopy in anthracene at low and ultra-low temperatures," Abstr. of the 23rd All-Union Meeting on Low Temperature Physics, May 19-21, 1984, Tallinn, pp. 154-155, 1984.

16.
P. Saari, "Possibilities of picosecond spectrochronography in the study of phonon state time evolution," Abstr. of Phonon Scattering Conf., 1983, Stuttgart,??? 1983.

15.
A. Rebane, R. Kaarli, P. Saari, "Burning and probing of photochemical holes with picosecond pulses," Abstr. of 16th European Congr. of Molecular Spectroscopy, 1983, Sofia, pp. 139, 1983.

14.
J. Aaviksoo, A. Anijalg, M. Lepik, P. Saari, T. Tamm, K. Timpmann, A. Freiberg, "Direct picosecond resolving of hot luminescence spectrum," Abstr. of the All-Union Meeting on Molecular Luminescence, Oct. 11-15, 1982, Harkov, pp. 3, 1982.

13.
J. Aaviksoo, A. Anijalg, A. Freiberg, U. Mets, P. Saari, K. Timpmann, "Stochastics and stability of synchronously-pumped mode-locked cw dye lasers," Tech. Digest of the Intern. Conf. on Lasers '81, Dec.14-18, 1981, New Orleans, pp. 97, 1981.

12.
A. Anijalg, J. Berik, A. Vill, V. Mihkelsoo, P. Saari, P. Kukk, K. Timpmann, E. Shults, "Laser spectrometers in nano- and picosecond time domain," Abstr. of the 2nd Soviet- France Symp. on Optical Engineering, March 16-21, 1981, Moscow, pp. 13, 1981.

11.
J. Aaviksoo, A. Anijalg, P. Saari, T. Tamm, K. Timpmann, A. Freiberg, "Secondary emission spectra of anthracene by picosecond time-resolution," Abstr. of the All-Union Meeting on Luminescence, 1981, Leninrgad, pp. 70, 1981.

10.
J. Aaviksoo, A. Anijalg, P. Saari, K. Timpmann, A. Freiberg, "The usage of UMI-93 streak tube and "Agat" streak-camera in picosecond spectrochronography," Abstr. of the 10th All-Union Conf. on Ultrafast Photography and Metrology of Ultrafast Processes, 1981, Moscow, pp. 21, 1981.

9.
A. Anijalg, A. Freiberg, R. Kaarli, P. Kukk, P. Saari, K. Timpmann, "Investigation of ultrafast processes with the help of a continuously-operating streak camera and correlation methods," Abstr. of the 2nd Intern. Symp. Ultrafast Phenomena in Spectroscopy, Oct.30 -Nov.5, 1980, Reinhardsbrunn, pp. F13, 1980.

8.
A. Freiberg, A. Anijalg, P. Kukk, V. Mihkelsoo, P. Saari, K. Timpmann, E. Schults, "Picosecond spectrochronograph with synchroscanned image converter tube and optical image analyser," Prepr. of the 14th Intern. Congress on High Speed Photography and Photonics, Oct.19-24, 1980, Moscow, pp. 97, 1980.

7.
J. Aaviksoo, P. Saari, T. Tamm, "Picosecond relaxation of vibronic excitation in molecular crystals," Abstr. of the 2nd Intern. Symp. Ultrafast Phenomena in Spectroscopy, Oct. 30- Nov. 5, 1980, Reinhardsbrunn, pp. T4, 1980.

6.
R. Kaarli, J. Aaviksoo, A. Freiberg, P. Saari, "Time-resolved anti-Stokes Raman scattering by a single synchronously pumped mode-locked dye laser," Abstr. of the 2nd Intern. Conf. on Multiphoton Processes 2nd ICOMP, April 14-18, 1980, Budapest, pp. D10-11, 1980.

5.
J. Aaviksoo, P. Saari, T. Tamm, "Nonlinear absorption of picosecond light pulses in anthracene at 4.2 K," Abstr. of the 9th Conf. on Quantum Electronics and Nonlinear Optics EKON-80, April 23-26, 1980, Poznan, pp. 129-131, 1980.

4.
P. Saari, "Hot luminescence study of picosecond vibrational relaxation," Ultrafast relaxation and secondary emission (Proc. of the Intern. symp. 'Ultrafast phenomena in spectroscopy', Sept.27-Oct.1 1978, Tallinn), Estonian SSR Acad. Sci., pp. 142-162, 1979.

3.
J. Aaviksoo, P. Saari, T. Tamm, "Resonant secondary emission of anthracene crystals in the exciton absorption region," Abstr. of the 26th All-Union Meeting on Luminescence, Oct. 4-6, 1979, Samarkand, pp. 18, 1979.

2.
K. Rebane, V. Hizhnjakov, P. Saari, T. Tamm, "Vibrational relaxation in resonant secondary emission," Tech. Digest of Topical Meeting on Picosecond Phenomena, May 24-26 1978, Hilton Head, South Carolina, USA, pp. FA6-1, 1978.

1.
P. Saari, T. Tamm, "Hot luminescence of doped organic crystals," Abstr. of the XIII European Congress on Molecular Spectroscopy, Sept. 12-16 1977, Wroclav, Poland, pp. 369, 1977.