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Our Research   >  Stimulated Scattering Phenomena Group

 

 

 



Selected Publications of Dr Valeri I Kovalev

[ Book Chapters ]   [ Peer-Reviewed Papers ]   [ Conference Proceedings ]


Book Chapters

1.      V. I. Kovalev, "Investigation of Surface Breakdown Mechanism in IR Optical Materials Under Action of Pulsed CO2 Laser", in Proceedings of the P. N. Lebedev Physical Institute (Nauka, Moscow, 1982), vol.136, pp.51-112.

2.      N. G. Basov, V. I. Kovalev, M. A. Musaev, and F. S. Fayzullov, “Phase conjugation of pulsed CO2 laser emission”, in Phase conjugation of laser emission (Nova Science Publishers, Commack, N.Y., 1988), pp.147-234.


Peer-Reviewed Papers

1.      V.I. Kovalev, R.G. Harrison, N.E. Kotova, Physical mechanism of “Slow light” in stimulated Brillouin scattering, Frontiers of Optoelectronics in China, 3, 22-32 (2010).

2.      V.I. Kovalev, N.E. Kotova, R.G. Harrison, “Slow light” in stimulated Brillouin scattering: on the influence of the spectral width of pump radiation on the group index; Reply, Optics Express, 18, 1791-1793(2010).

3.      V.I. Kovalev, N.E. Kotova, R.G. Harrison, “Slow light” in stimulated Brillouin scattering: on the influence of the spectral width of pump radiation on the group index, Optics Express, 17, 17317-17323 (2009).

4.      V.I.Kovalev, N.E.Kotova, R.G.Harrison, Effect of acoustic wave inertia and its implication to slow light via stimulated Brillouin scattering in an extended medium. Optics Express, 17, 2826 (2009).

5.      V.I.Kovalev, R.G.Harrison. A means for easy and accurate measurement of the stimulated Brillouin scattering gain coefficient in optical fiber, Optics Letters, 33, (2008), accepted.

6.      V.I.Kovalev, R.G.Harrison. Abnormally low threshold gain of stimulated Brillouin scattering in long optical fiber with feedback. Optics Express, 16, 12272 (2008).

7.      V.I.Kovalev, R.G.Harrison, J.D.Simonotto. On the emergence and collapse of coherent periodic emission in stochastic stimulated Brilloiun scattering in optical fiber. Physical Review A, accepted (submitted March 2008).

8.       V.I.Kovalev, R.G.Harrison, J.C.Knight, N.E.Kotova, Waveguide induced spectral bandwidth enhancement of slow light group index caused by stimulated Brillouin scattering in optical fiber. Laser and Particle Beams, 26, (319362) (2008).

9.       V.I.Kovalev, R.G.Harrison. Theory of the threshold for feedback-free stimulated Brillouin scattering initiated by spontaneous scattering in an optical fiber. Laser and Particle Beams, 26, 298 (2008).

10.  V.I.Kovalev, R.G.Harrison. Threshold for stimulated Brillouin scattering in optical fiber, Optics Express, 15, 17625 (2007).

11.   V.I.Kovalev, R.G.Harrison. Suppression of stimulated Brillouin scattering in high-power single frequency fiber amplifiers, Optics Letters, 31, 161 (2006).

12.   V.I.Kovalev, R.G.Harrison, A.M.Scott. 300 W quasi-CW diffraction limited output from a diode pumped Nd:YAG MOPA with fibre phase conjugate SBS mirror, Optics Letters, 30, 3386 (2005).

13.  V.I.Kovalev, R.G.Harrison. Origin of temporally stable continuous wave Stokes emission in stimulated Brillouin scattering: evidence of spectral self-phase conjugation, Optics Letters, 30, 3389 (2005).

14.   V.I.Kovalev, R.G.Harrison. Temporally Stable CW Phase Conjugation via Stimulated Brillouin Scattering in Optical Fibre with Cavity Feedback. Optics Letters, 30, 1375 (2005).

15.  V.I.Kovalev, R.G.Harrison. Spectral broadening of continuous-wave monochromatic pump radiation caused by stimulated Brillouin scattering in optical fiber. Optics Letters, 29, 379 (2004).

16.  V. I. Kovalev and R. G. Harrison, "On the nature of spectral broadening of SW monochromatic pump radiation caused by stimulated Brillouin scattering in optical fibre," Optics Letters (to be published).

17.  V. I. Kovalev and R. G. Harrison, "Waveguide-induced inhomogeneous spectral broadening of stimulated Brillouin scattering in optical fiber," Optics Letters 27(22), 2022-2024 (2002).

18.  V. I. Kovalev, "Comment on "Anomalous stimulated Brillouin scattering via ultraslow light"," Physical Review Letters 88, 239301 (2002).

19.  V. I. Kovalev and R. G. Harrison, "The dynamics of a SBS fibre laser: The nature of periodic spiking at harmonics of the fundamental oscillation frequency," Optics Communications 204(1-6), 349-354 (2002).

20.  V. I. Kovalev, "Stimulated Brillouin scattering in the midinfrared region of the spectrum," Journal of Russian Laser Research 23(1), 13-30 (2002).

21.  V. I. Kovalev, R. G. Harrison, and A. M. Scott, "The build-up of stimulated Brillouin scattering excited by pulsed pump radiation in a long optical fibre," Optics Communications 185(1-3), 185-189 (2000).

22.  V. I. Kovalev and R. G. Harrison, "Reply to "Comment on 'Observation of inhomogeneous spectral broadening of stimulated Brillouin scattering in an optical fiber'"," Physical Review Letters 88, 029402 (2002).

23.  V. I. Kovalev and R. G. Harrison, "Observation of inhomogeneous spectral broadening of stimulated Brillouin scattering in an optical fiber," Physical Review Letters 85(9), 1879-1882 (2000).

24.  V. I. Kovalev and R. G. Harrison, "Diffraction limited output from a CW Nd:YAG master oscillator / power amplifier with fibre phase conjugate SBS mirror," Optics Communications 166(1-6), 89-93 (1999).

25.  R. G. Harrison, V. I. Kovalev, W. P. Lu, and D. J. Yu, "SBS self-phase conjugation of CW Nd:YAG laser radiation in an optical fibre," Optics Communications 163(4-6), 208-211 (1999).

26.  V. D. Bulaev, A. E. Vidavskii, V. I. Kovalev, and V. V. Kulikov, "'Fast' highly efficient phase-conjugate mirror, based on InAs, in the cavity of a repetitively pulsed CO2 laser," Quantum Electronics 28(3), 235-240 (1998).

27.  V. I. Kovalev, "Comments on "High-frequency temporal structure of laser and phase-conjugated signals in intracavity degenerate four-wave mixing of radiation from electron-beam-controlled discharge CO2 and CO lasers in their active media" by C. Beairsto, R. Walter, A. A. Ionin, et al.," Quantum Electronics 28(1), 91 (1998).

28.  V. I. Kovalev, "Maximum attainable efficiency of a cubic nonlinear response of matter," Quantum Electronics 27(8), 732-734 (1997).

29.  V. I. Kovalev, "Dispersion of characteristics of optical nonlinear response used for phase conjugation," Journal of Russian Laser Research 18(1), 1-16 (1997).

30.  V. I. Kovalev, "Mechanism of self-mode-locking in the active medium of CO2 lasers," Kvantovaya Elektronika 23(2), 135-136 (1996).

31.  V. I. Kovalev and M. B. Suvorov, "Reflection efficiency and response relaxation time in degenerate four-wave mixing in the active media of TEA CO2 lasers," Kvantovaya Elektronika 23(1), 12-16 (1996).

32.  V. I. Kovalev, "Noise radiation power of phase-conjugate mirrors based on a degenerate four-wave interaction," Kvantovaya Elektronika 22(11), 1118-1122 (1995).

33.  V. M. Gordienko, V. I. Kovalev, and Y. Y. Putivskii, "Dynamics of a TEA CO2 laser with a cubic nonlinear medium in the cavity: From frequency stabilization to chaos," Kvantovaya Elektronika 21(12), 1160-1168 (1994).

34.  V. I. Kovalev, "Relaxation time of phase-conjugate reflection in a 4-wave interaction of radiation in the active medium of a CO2 laser," Kvantovaya Elektronika 21(9), 894-896 (1994).

35.  V. I. Kovalev, "The effect of abnormal amplification on nanosecond pulses in active medium of CO2 laser," Kvantovaya Elektronika 20(6), 525-526 (1993).

36.  A. E. Vidavskii, V. I. Kovalev, O. L. Rus'kin, and M. B. Suvorov, "High-efficiency phase-conjugate mirror based on InAs placed into CO2 laser cavity," Kvantovaya Elektronika 20(3), 254-260 (1993).

37.  V. Y. Belyakov, N. A. Blinov, V. I. Kovalev, Y. N. Lozinskii, N. V. Cheburkin, and O. E. Shchekotov, "Correction of phase inhomogeneities in nonlinear ring resonator at lambda = 10.6 mu m," Kvantovaya Elektronika 19(9), 931-932 (1992).

38.  V. I. Kovalev, O. L. Rus'kin, and M. B. Suvorov, "The nonlinear absorption of the chaotically pulsing CO2 laser emission in narrow-gap semiconductors," Kvantovaya Elektronika 18(12), 1459-1462 (1991).

39.  V. I. Kovalev and V. A. Trofimov, "A role of nonlinear absorption in the OPC of the IR radiation under 4-wave mixing in semiconductors," Kvantovaya Elektronika 18(11), 1336-1339 (1991).

40.  V. I. Kovalev, "4-wave-mixing efficiency in InSb at 10.6 mu m," Infrared Physics 32, 235-244 (1991).

41.  V. I. Kovalev, M. B. Suvorov, and V. A. Trofimov, "Nonlinear absorption of counterpropagating waves in narrowgap semiconductors," Infrared Physics 31(4), 343-349 (1991).

42.  V. I. Kovalev, M. B. Suvorov, and O. S. Tasmuratov, "Regular and random output-power pulsations of a TEA CO2 laser with an intracavity nonlinear medium," Journal of Soviet Laser Research 11, 33-43 (1990).

43.  P. N. Ilnykh, V. I. Kovalev, and M. B. Suvorov, "Spatial characteristics and quality of OPC of the radiation emitted from a CO2 laser with InAs in the resonator," Kvantovaya Elektronika 17(6), 687-690 (1990).

44.  V. I. Kovalev, M. B. Suvorov, and O. L. Rus'kin, "A pulsed CO2 laser with mirror-wave front reversal in a resonator," Sbornik Kratkie Soobshcheniya Po Fizike, Fizicheskii Institut Im. P.N. Lebedeva 11, 27-28 (1989).

45.  B. Brauns, R. Wolf, V. Goepner, A. I. Erokhin, V. I. Kovalev, S. I. Sagitov, F. S. Faizullov, G. Horrendorfer, G. Zscherpe, and D. Schafer, "Optical coatings for high-power neodymium lasers," Kvantovaya Elektronika 15(10), 2051-2058 (1988).

46.  A. E. Vidavskii and V. I. Kovalev, "Clarification of water by means of radiation from a pulsed CO2 laser," Sbornik Kratkie Soobshcheniya Po Fizike, Fizicheskii Institut Im. P.N. Lebedeva 7, 44-46 (1988).

47.  V. I. Kovalev, "An influence of nonlinear absorption on the nonlinear phase increment in InSb and InAs at 10.6 mu m," Kvantovaya Elektronika 14(9), 1851-1853 (1987).

48.  A. N. An and V. I. Kovalev, "Measurement of the 5th-order nonlinear susceptibility in InSb at 10.6 mu m," Kvantovaya Elektronika 14(8), 1685-1687 (1987).

49.  A. V. Vinogradov, R. Voszka, V. I. Kovalev, F. S. Faizullov, and J. Janszky, "An effect of Ca and Pb admixtures on the bulk beam strength of superpure NaCl and KCl crystals," Kvantovaya Elektronika 14(6), 1181-1184 (1987).

50.  A. I. Erokhin, V. I. Kovalev, and A. K. Shmelev, "The nonlinear susceptibility of InSb at 10.6 mu m," Kvantovaya Elektronika 14(6), 1170-1174 (1987).

51.  V. I. Kovalev and M. B. Suvorov, "Nonlinear absorption of counterrunning waves in InAs at the wavelength of 10.6 mu m," Kvantovaya Elektronika 14(3), 621-622 (1987).

52.  V. I. Kovalev, K. V. Kovalenko, M. B. Suvorov, and A. K. Shmelev, "The reflection efficiency in the wave-front reversal scheme under the 4-wave interaction with a passive optical polarizational isolator at 10.6 mu m," Kvantovaya Elektronika 13(9), 1885-1890 (1986).

53.  V. I. Kovalev, M. B. Suvorov, and F. S. Faizullov, "Energy characteristics of a round-trip CO2 amplifier," Kvantovaya Elektronika 13(8), 1589-1594 (1986).

54.  A. I. Erokhin, V. I. Kovalev, and F. S. Faizullov, "Measurements of nonlinear response parameters in liquids in the region of the acoustic resonance by the nondegenerate 4-wave-mixing method," Kvantovaya Elektronika 13(7), 1328-1335 (1986).

55.  A. I. Erokhin, V. I. Kovalev, P. A. Mikheev, and F. S. Faizullov, "The quality of the multifrequency radiation wave-front reversal under the 4-wave mixing," Kvantovaya Elektronika 12(1), 186-189 (1985).

56.  V. I. Kovalev, P. A. Mikheev, and F. S. Faizullov, "Nonlinear scattering at 10.6 mu m in a fiber-optic waveguides made of KRS-5," Kvantovaya Elektronika 11(8), 1513-1514 (1984).

57.  V. I. Kovalev, M. A. Musaev, and F. S. Faizullov, "Surface breakdown and nonlinear absorption in semiconductors exposed to pulsed CO2 laser radiation," Kvantovaya Elektronika 11, 989-993 (1984).

58.  V. I. Kovalev, M. A. Musaev, F. S. Faizullov, and A. K. Shmelev, "Stimulated Brillouin scattering gains and decay times of hypersonic waves in optical crystals at the 10.6 mm wavelength," Kvantovaya Elektronika 11, 168-171 (1984).

59.  V. I. Kovalev, M. A. Musaev, and F. S. Faizullov, "Contribution of a thermal mechanism to reflection during degenerate four-wave interaction in semiconductors," Kvantovaya Elektronika 11, 85-90 (1984).

60.  A. I. Erokhin, V. I. Kovalev, F. S. Faizullov, and A. K. Shmelev, "Precision of retroreflection in quasidegenerate four-wave interaction," Kvantovaya Elektronika 10, 1899-1902 (1983).

61.  N. G. Basov, V. I. Kovalev, and F. S. Faizullov, "Dynamic range of reflection in the case of four-wave interaction in resonant media at the wavelength of 10.6 mm," Kvantovaya Elektronika 10, 1276-1278 (1983).

62.  V. I. Kovalev, "Mechanism of surface breakdowns of materials for IR optics by radiation from a pulsed CO2 laser," Journal of Soviet Laser Research 4, 583-644 (1983).

63.  V. I. Kovalev, A. R. Lesiv, F. S. Faizullov, and V. B. Fedorov, "Photographic recording of pulsed CO2 laser radiation by thermal sensibilization of photoemulsions," Instruments and Experimental Techniques 26(1), 180-183 (1983).

64.  S. V. Bilibin, V. N. Egorov, A. A. Katsnel'son, V. I. Kovalev, N. S. Kolesova, Y. S. Sidorov, N. L. Tkachenko, and F. S. Faizullov, "An effect of optical processing parameters and natural aging process on the depth of the damaged layer and beam strength of the surface of KCl single crystals," Kvantovaya Elektronika 9(9), 1912-1915 (1982).

65.  N. G. Basov, V. I. Kovalev, A. R. Lesiv, and F. S. Faizullov, "Phase conjugation of a pulsed CO2 laser beam in four-wave mixing in SF6," Pis'ma v Zhurnal Tekhnicheskoi Fiziki 8, 451-455 (1982).

66.  N. G. Basov, B. Y. Zel'dovich, V. I. Kovalev, F. S. Faizullov, and V. B. Fedorov, "Reflection of a multifrequency signal in four-wave interaction in germanium at 10.6 mm," Kvantovaya Elektronika 8, 860-864 (1981).

67.  V. I. Kovalev and F. S. Faizullov, "Measurement of the absorption and thickness of an equivalent adsorbed water layer on a NaCl surface," Kvantovaya Elektronika 6, 1100-1102 (1979).

68.  V. I. Kovalev and F. S. Faizullov, "Dynamics of the development of breakdown near the surface of infrared optics elements in gaseous media," Kvantovaya Elektronika 5, 1605-1608 (1978).

69.  T. I. Darvoid, V. I. Kovalev, I. S. Lisitskii, V. S. Mironov, and F. S. Faizullov, "Investigation of the optical strength of KRS-6 and KRS-5 crystals subjected to pulsed CO2 laser radiation," Kvantovaya Elektronika 5, 1043-1047 (1978).

70.  A. V. Lomzin, M. I. Golovei, V. I. Kovalev, D. S. Mash, V. V. Morozov, A. N. Oraevskii, and F. S. Faizullov, "Photographic recording of the emission spectrum of a single-pulse CO2 laser by parametric conversion in a proustite crystal," Kvantovaya Elektronika 5, 128-131 (1978).

71.  V. I. Kovalev and F. S. Faizullov, "Influence of adsorbed water on the optical strength of infrared optics elements," Kvantovaya Elektronika 4, 587-595 (1977).

72.  V. I. Kovalev and F. S. Faizullov, "Influence of short-wavelength absorption on internal damage threshold of crystals subjected to CO2 laser pulses," Kvantovaya Elektronika 4, 455-457 (1977).

73.  V. I. Kovalev, V. V. Morozov, S. I. Sagitov, and F. S. Faizullov, "Investigation of the optical strength of gold coatings," Kvantovaya Elektronika 2, 1527-1535 (1975).

74.  V. I. Kovalev, V. V. Morozov, and F. S. Faizullov, "Appearance of opacity and damage of optical materials by carbon dioxide laser pulses," Kvantovaya Elektronika 1, 2172-2177 (1974).

75.  V. I. Kovalev, V. I. Popovichev, V. V. Ragul'skii, and F. S. Faizullov, "Effect of saturation on light amplification in stimulated Mandelstam-Brillouin scattering," Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki 64, 2028-2031 (1973).

76.  V. I. Kovalev, V. I. Popovichev, V. V. Ragul'skii, and F. S. Faizullov, "Efficient optical isolator," Pribory i Tekhnika Eksperimenta 15(5), 199-200 (1972).

77.  V. I. Kovalev, V. I. Popovichev, V. V. Ragul'skii, and F. S. Faizullov, "Gain and line width in stimulated Brillouin scattering in gases," Kvantovaya Elektronika, no.7, 78-80 (1972).

78.  V. I. Kovalev, V. I. Popovichev, V. V. Ragul'skii, and F. S. Faizullov, "Single-frequency Brillouin laser using methane," Pis'ma v Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki 14, 503-507 (1971).


Conference Proceedings

1.       V.I.Kovalev, R.G.Harrison, J.C.Knight, N.E.Kotova, Slow light in optical fiber using stimulated Brillouin scattering. Proc. SPIE, 7024, 702415-1-8 (2008).

2.       V.I.Kovalev, R.G.Harrison, Coherent beam combining of fiber amplifier array output through spectral self-phase conjugation via SBS. In: Fiber Lasers III: Technology, Systems, and Applications. Proc. SPIE, 6102, 61021B-1-7 (2006).

3.      V.I.Kovalev, J.S.Barton, P.R.Richardson, A.C.Jones, Highly sensitive rapid fluorescence detection of protein residues on surgical instruments. In: Ultrasensitive and Single-Molecule Detection Technologies. Proc. SPIE, 6092, 60920J-1-7 (2006).

4.       V.I.Kovalev, R.G.Harrison, Continuous-wave stimulated Brillouin scattering in optical fibers: New results and applications for high power lasers. In: Topical Problems of Nonlinear Wave Physics. Proc. SPIE, 5975, 5975OL-1-13 (2006).

5.       V. Kovalev, R.Harrison, J.Nilsson, Y.Jeong, V.Hernandez-Solis, and J.K. Sahu. Analytic modeling of Brillouin gain in rare-earth doped fiber amplifiers with high-power single-frequency signals. In: Fiber Lasers: Technology, Systems, and Applications. Proc. SPIE, 5709, 142 (2005).

6.      V.I.Kovalev, R.G.Harrison, J.K.Sahu, J.Nilsson, Continuous-wave all-fiber MOPA with SBS phase conjugate mirror. In: Fiber Lasers: Technology, Systems, and Applications. Proc. SPIE, 5335, 46 (2004).

7.      V. I. Kovalev and R. G. Harrison, "CW SBS phase conjugation in optical fibre: Application for beam clean up of high power CW laser systems and new insights into fundamentals of SBS," presented at the 11th Conference on Laser Optics, St. Petersburg, Russia, 30 June - 4 July, 2003.

8.      R. G. Harrison, J. D. Simonotto, and V. I. Kovalev, "Observation of coherence resonance in stimulated Brillouin scattering," Europhysics Conference Abstracts 27E, EB1T (2003).

9.      R. G. Harrison and V. I. Kovalev, "Massive spectral broadening of stimulated Brillouin scattering in guided media," Europhysics Conference Abstracts 27E, EB6-2-WED (2003).

10.  R. G. Harrison and V. I. Kovalev, "Temporally stable CW phase conjugation via stimulated brillouin scattering in optical fibre with cavity feedback," Europhysics Conference Abstracts 27E, CP3-9-THU (2003).

11.  J. D. Simonotto, V. I. Kovalev, and R. G. Harrison, "Coherence resonance in stimulated Brillouin scattering," in Experimental Chaos: 6th Experimental Chaos Conference, S. Boccaletti, B. J. Gluckman, J. Kurths, L. M. Pecora, and M. L. Spano, eds. (American Institute of Physics, Melville, 2002), pp. 329-334.

12.  V. I. Kovalev and R. G. Harrison, "Waveguide induced inhomogeneous spectral broadening of SBS in optical fibre," presented at the 2002 International Quantum Electronics Conference, Moscow, Russia, 22-28 June, 2002.

13.  V. I. Kovalev and R. G. Harrison, "Inhomogeneous spectral broadening of stimulated Brillouin scattering in optical fibre: The evidences and the consequences," presented at the Fourth Khariton's Topical Scientific Readings, Sarov, Russia, 18-21 Feb., 2002.

14.  V. I. Kovalev and R. G. Harrison, "The dynamics of a SBS fibre laser: the nature of periodic spiking at harmonics of the fundamental oscillation frequency," in Technical Digest of the 15th UK National Quantum Electronics and Photonics Conference (Glasgow, UK, 2001), p. 160.

15.  J. Simonotto, V. I. Kovalev, and R. G. Harrison, "Coherence resonance in stimulated Brillouin scattering," in Technical Digest of the 15th UK National Quantum Electronics and Photonics Conference (Glasgow, UK, 2001), p. 159.

16.  V. I. Kovalev and R. G. Harrison, "CW fibre-based SBS phase conjugator: Applications for power scalable beam clean up of all-solid state MOPA's," in Proceedings of the IEEE Lasers and Electro-Optics Society 2000 Annual Meeting, Vol. 2 (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2000), pp. 597-598.

17.  V. I. Kovalev and R. G. Harrison, "Observation and characterization of inhomogeneous spectral broadening of stimulated Brillouin scattering in optical fibre," in Conference Digest of the 2000 International Quantum Electronics Conference (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2000), p. 210.

18.  V. I. Kovalev, R. G. Harrison, and A. M. Scott, "The build up of stimulated Brillouin scattering excited by pulsed pump radiation in a long optical fibre," in Conference Digest of the 2000 Conference on Lasers and Electro-Optics Europe (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 2000), p. 41.

19.  V. I. Kovalev and R. G. Harrison, "Diffraction limited output from a CW Nd:YAG MOPA with a fibre phase conjugate SBS mirror," in Proceedings of the IEEE Lasers and Electro-Optics Society 1999 Annual Meeting, Vol. 2 (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1999), pp. 912-913.

20.  V. I. Kovalev and R. G. Harrison, "Observation of hole burning in spectrum of SBS in optical fibres under CW monochromatic laser excitation," in Proceedings of the IEEE Lasers and Electro-Optics Society 1999 Annual Meeting, Vol. 1 (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1999), pp. 56-57.

21.  V. I. Kovalev and R. G. Harrison, "Observation of diffraction limited output from a CW Nd:YAG MOPA with a fibre phase conjugate SBS mirror," in Technical Digest of the 14th UK National Quantum Electronics and Photonics Conference (Manchester, UK, 1999), p. 144.

22.  R. G. Harrison and V. I. Kovalev, "SBS self-phase conjugation of CW Nd:YAG laser radiation in an optical fibre," in Technical Digest of the 1999 Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1999), pp. 275 -276.

23.  V. I. Kovalev, "On the maximum attainable ratio chi(3)/tau in a substance," Proceedings of SPIE 3490, 443-444 (1998).

24.  V. I. Kovalev, "Dispersive characteristics in the nonlinear response used for phase conjugation," Izvestiya Akademii Nauk Seriya Fizicheskaya 60(6), 75-91 (1996).

25.  A. E. Vidavskii, V. I. Kovalev, and V. M. Raukhman, "DFWM reflectivity via two-photon free carrier generation in semiconductors in middle IR range," Proceedings of SPIE 2771, 104-113 (1996).

26.  V. I. Kovalev, "Phase conjugation for middle infrared laser radiation: The influence of frequency dispersion and decay time of the third-order nonlinear susceptibility," Proceedings of SPIE 2771, 95-103 (1996).

27.  V. M. Gordienko, V. I. Kovalev, I. A. Kudinov, L. A. Kosovsky, V. T. Platonenko, G. A. Pogosov, Y. Y. Putivskii, and E. M. Chastookhin, "Narrow-Band TEA CO2-Laser with Nonlinear Intracavity Chirp Compensator for Wind Doppler Lidar," Proceedings of SPIE 1633, 306-316 (1992).

28.  V. I. Kovalev, M. B. Suvorov, and O. S. Tasmuratov, "Temporal dynamics and spatial characteristics of the radiation from a CO2 laser with a nonlinear medium in its cavity," Izvestiya Akademii Nauk SSSR Seriya Fizicheskaya 54(10), 2062-2070 (1990).

29.  V. I. Kovalev, "Phase conjugation in mid IR radiation: State-of-the-art and prospects," Izvestiya Akademii Nauk SSSR Seriya Fizicheskaya 54(6), 1066-1072 (1990).

30.  V. I. Kovalev, M. B. Suvorov, and O. S. Tasmuratov, "Phase-Conjugate Mirror on the Basis of the Pulsed CO2-Laser with the Intracavity Nonlinear Medium," Proceedings of SPIE 1273, 150-161 (1990).

31.  V. I. Kovalev, A. V. Platov, and M. B. Suvorov, "Conversion of the wave front on 10,6 mu m in InAs in the CO2 laser resonator," Izvestiya Akademii Nauk SSSR Seriya Fizicheskaya 52(2), 383-388 (1988).

32.  N. G. Basov, V. I. Kovalev, and F. S. Faizullov, "Media for conversion of a CO2 laser emission wave front," Izvestiya Akademii Nauk SSSR Seriya Fizicheskaya 51(2), 280-288 (1987).

33.  N. G. Basov, V. I. Kovalev, and F. S. Faizullov, "Reversal of a wavefront of a middle-infrared-region radiation laser," Izvestiya Akademii Nauk SSSR Seriya Fizicheskaya 48(7), 1407-1414 (1984).


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