Kvantovaya Elektronika, 1990, Volume 17, Number 8

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1990, Volume 17, Number 8

Letters to the editor
	New low-threshold noncentrosymmetric LaBGeO₅:Nd³⁺ laser crystal A. A. Kaminskii, B. V. Mill', A. V. Butashin	957
	New methods for passive Q switching of erbium glass lasers B. I. Denker, G. V. Maksimova, V. V. Osiko, S. E. Sverchkov, Yu. E. Sverchkov	959
	Efficient parametric generation of higher stimulated Raman scattering components with diffraction-limited divergence L. L. Losev, A. P. Lutsenko, S. N. Sazonov	960

Lasers
	Waveguide lasers utilizing a mixture of CO₂ isotopes A. E. Bakarev, A. S. Provorov	961
	Leakage currents and 1/f noise in buried InGaAsP/InP heterostructure lasers I. A. Garmash, V. N. Morozov, A. T. Semenov, M. A. Sumarokov, V. R. Shidlovskiĭ	964
	Nonlinear resonances in the natural frequency fluctuations of a two-mode He–Ne/CH₄ laser M. L. Anishchenko, V. M. Ermachenko, V. N. Petrovskii, E. D. Protsenko	968
	Generation of wide-aperture tunable ultraviolet radiation I. A. Begishev, A. A. Gulamov, E. A. Erofeev, Sh. R. Kamalov, T. Usmanov, A. D. Khadzhaev	971
	Modeling of a high-pressure helium–cadmium laser excited by electron beam pulses S. V. Makarov, Yu. N. Novoselov, V. V. Osipov	974
	Frequency dynamics of a bidirectional ring laser with a nonreciprocal resonator I. V. Koryukin, P. A. Khandokhin, Ya. I. Khanin	978
	Spectral and temporal characteristics of a pulsed atmospheric-pressure electron-beam-controlled CO₂ laser with a cryogenically cooled active mixture V. G. Vostrikov, I. D. Matyushchenko, V. G. Naumov, V. D. Pis'mennyi, P. A. Svotin, V. M. Shashkov	982
	Multiwave lasing in an electron-beam-pumped Ar–Xe mixture V. I. Derzhiev, A. G. Zhidkov, O. V. Sereda, V. S. Skakun, V. F. Tarasenko, A. V. Fedenev, S. I. Yakovlenko	985
	Emission spectrum and limits of quasi-cw operation of a neodymium laser with an intracavity plasma formed from a carbon target A. I. Ershov, V. B. Fedorov, I. V. Fomenkov	988
	Neon ionic laser V. I. Aga, V. V. Elesin, B. P. Miretskiĭ, S. A. Rudelev, V. G. Samorodov, V. A. Khakhulin	993
	Combined excimer–chemical electric-discharge laser G. K. Vasil'ev, V. I. Gur'ev	995

Active media
	Numerical calculations of the optical gain due to short-wavelength transitions of helium-like ions in an optically thin plasma A. V. Borovskii, O. I. Zatsarinnyi, I. V. Kardash, V. V. Korobkin	997
	Modeling of the spatial and temporal characteristics of the active medium of an electric-discharge XeCl laser R. A. Sorkina	1001
	Calculation of the gain due to the 4–3 transition in the Al XIII ion in an expanding cylindrical laser plasma generated by ultrashort pump pulses A. V. Gulov, V. I. Derzhiev, A. G. Zhidkov, A. G. Pritula, S. I. Yakovlenko	1006
	Sensitization of the Er³⁺ luminescence in (YЕr)₃Аl₅O₁₂Сr³⁺ crystals and lasing at the 2.7 μm wavelength Yu. K. Voronko, S. B. Gessen, I. V. Gribkov, V. V. Osiko, P. A. Ryabochkina, V. M. Tatarintsev, S. N. Ushakov, L. I. Tsymbal	1007

Control of laser radiation parameter
	Quality anaiysis and correction of aberrations in spatial filters used in high-power laser apparatus A. A. Malyutin	1010
	Collisions of ultrashort light pulses in a dye solution inside a nonresonant ring A. Daugvila, V. Kabelka, A. V. Masalov	1014
	Use of a spatial filter for phase locking of a laser array A. A. Golubentsev, O. R. Kachurin, F. V. Lebedev, A. P. Napartovich	1018
	Multistability and chaos in a negative-feedback laser E. V. Grigor'eva, S. A. Kaschenko, N. A. Loiko, A. M. Samson	1023
	Coherence of radiation from a manganese-vapor laser with a conjugate resonator A. P. Zhevlakov, V. K. Isakov, D. O. Leshchenko	1029
	Enhancement of the efficiency of dark-red lasing and generation of picosecond pulses in a passively mode-locked YAlO₃:Pr³⁺ crystal laser A. A. Kaminskii, M. I. Demchuk, N. I. Zhavoronkov, V. P. Mikhailov, A. G. Petrosyan	1030

Effects of laser radiation on matter
	Role of the external photoelectric effect in surface microprocessing V. P. Ageev, V. I. Konov, A. I. Krechetov	1032
	Photoinduced absorption in chalcogenide glasses V. V. Ponomar'	1035
	Spectrum of the barium atom in a laser radiation field I. I. Bondar', V. V. Suran	1038
	Influence of fluctuations of the size and number of surface microdefects on the thresholds of laser plasma formation I. Yu. Borets-Pervak, V. S. Vorob'ev	1044
	Calculation of the gain of a C VI laser plasma expanding as a cylinder and a cylindrical layer A. V. Gulov, V. I. Derzhiev, A. G. Zhidkov, A. G. Pritula, A. N. Chekmezov, S. I. Yakovlenko	1050
	Distribution function of microinclusions in polymethylmethacrylate and its evolution under the influence of a series of laser pulses G. Ya. Glauberman, S. Yu. Savanin, V. V. Shkunov, D. E. Shumov	1054
	Melting and thermocapillary convection under the action of pulsed laser radiation with an inhomogeneous spatial distribution A. A. Uglov, I. Yu. Smurov, A. G. Gus'kov, L. V. Aksenov	1058

Fiber and integrated optics
	Use of the offset method in an analysis of a non-Gaussian field distribution in single-mode fiber waveguides A. V. Belov, A. S. Kurkov, A. V. Chikolini	1063
	Experimental investigation of energy transfer between modes in a graded-index fiber waveguide with periodic microbending of the axis V. P. Garichev, S. G. Krivoshlykov, J.-U. Jahn	1066
	Amplification of femtosecond pulses in single-mode fiber waveguides activated with Er³⁺ ions A. B. Grudinin, E. M. Dianov, D. V. Korobkin, A. M. Prokhorov, A. S. Semenov, I. Yu. Khrushchev	1070
	Photodetector waveguide structures made of epitaxial InGaAs films and intended for integrated circuits manufactured from III-V semiconductor compounds A. V. Shmal'ko, V. F. Lamekin, V. L. Smirnov, A. S. Polyantsev, Yu. I. Kogan, T. S. Babushkina, T. S. Kuntsevich, O. G. Peshkovskaya	1072

Laser applications and other topics in quantum electronics
	Multiple transmission of waves across a medium with random scattering centers and angular divergence of radiation in a Fabry–Perot resonator A. A. Vedenov, A. V. Gubarev, A. M. Kamchatnov, A. F. Mamzer, V. R. Chechetkin	1074
	Measurement of the emission line width of TEA CO₂ lasers using tunable diode lasers O. I. Davarashvili, A. V. Kunets, Yu. A. Kuritsyn, G. N. Makarov, V. R. Mironenko, I. Pak, A. P. Shotov	1077
	Correlated modification of the speckle pattern in an interferometer made of a multimode fiber-optic waveguide Yu. A. Bykovskii, Yu. N. Kulchin, V. F. Obukh, V. L. Smirnov	1080
	Theory of low-threshold optical breakdown in an aerosol D. I. Zhukhovitskiĭ, I. T. Yakubov	1084
	Influence of laser tempering on the characteristics of surface layers of tool steels D. M. Gureev, S. I. Mednikov, V. K. Shukhostanov, S. V. Yamshchikov	1088
	Acoustooptic interferometric nonreciprocal element O. E. Nanii, A. B. Selunskiĭ	1091

Chronicle
	Tenth International School on Coherent Optics (Ustroń, Poland, September 19–26 1989) V. D. Novikov	1093