High-Power Lasers and Laser Plasmas / Moshchnye Lazery I Lazernaya Plazma /

Stimulated Mandel shtam Brillouin Scattering Lasers V. V. Ragulskii.- I Conditions for Obtaining Stationary Lasing with Stimulated Scattering of Light.- 1. Influence of Intensity, Energy Density, and Exciting-Radiation Pulse Duration on the Laser Operation.- 2. Experimental Verification of the Conditions for Stationary Lasing.- II Gains and Line Widths for SMBS in Gases.- III Single-Frequency SMBS Ring Laser.- 1. Feasibility of Effective Conversion of Pump Radiation.- 2. Single-Frequency SMBS Laser.- IV Operation of SMBS Amplifier in the Saturation Regime.- 1. Characteristics of SMBS Amplifier in the Stationary Regime.- 2. Experimental Investigation of Amplifier Operation in the Saturation Region.- V Q Switching by SMBS.- 1. Lasing Dynamics.- 2. Conditions under Which Q Switching Is Possible.- 3. Experimental Verification of the Q-Switching Conditions.- VI Inversion of the Exciting-Radiation Wave Front in SMBS.- 1. Comparison of the Wave Fronts of the Exciting and Scattered Light with the Aid of a Phase Plate.- 2. Influence of the Structure of the Exciting Radiation Field on the Shape of the Scattered-Light Front.- 3. Compensation for the Phase Distortions in an Amplifying Medium with the Aid of a Brillouin Mirror.- VII SMBS in the Case of Exciting Radiation with a Broad Spectrum.- Appendix Experimental Technique.- 1. Divergence Measurement Procedure.- 2. Cell for Optical Investigations of Compressed Gases.- 3. Faraday Decoupler.- 4. Single-Mode Ruby Laser with Pulse Duration 60 nsec.- 5. Single-Mode Ruby Laser with Pulse Duration 60-200 nsec.- 6. Fabry Perot Etalon with 46-cm Base..- Literature Cited.- Compressed-Gas Lasers V. A. Danilychev, O. M. Kerimov, and I. B. Kovsh.- I Electroionization Method of Exciting Compressed-Gas Lasers.- 1. Mechanism of Current Flow through the Active Medium of an Electroionization Laser.- 2. Experimental Technique.- 2.1. Construction of Laser Chambers.- 2.2. Optical Resonators.- 2.3. Measurements of Laser Parameters.- 3. Electric Characteristics of Active Medium.- 3.1. Calculation of the Characteristics of the Discharge Excited by the Electroionization Method.- 3.2. Experimental Investigation of a Nonautonomous Discharge Initiated in a Compressed Gas by an Intense Electron Beam Discussion of Results..- II Electroionization CO2 High-Pressure Laser.- 1. Kinetics of Population of Working Levels; Gain of Active Medium of Electroionization CO2 Laser.- 2. Threshold Characteristics, Output Energy, Power, and Efficiency of Laser; Divergence of the Radiation..- 3. Gain Spectrum of Electroionization CO2 Laser.- 4. Relaxation of Upper Laser Level at High Pressures.- 5. Operating Regimes of Electroionization CO2 Lasers.- III High-Pressure Gas Lasers Using Other Working Media.- 1. Electroionization CO Laser.- 2. Laser Operating with Compressed Xenon and Ar:Xe Mixture..- 3. Ultraviolet High-Pressure Laser Using the Mixture Ar:N2.- Conclusion.- Appendix Theory of Current Flow through an Ionized Gas.- Literature Cited.- Experimental Investigation of the Reflection and Absorptionof High-Power Radiation in a Laser Plasma O. N. Krokhin, G. V. Sklizkov, and A. S. Shikanov.- I Reflection of Laser Radiation from a Plasma (Survey of the Literature).- 1. Experimental Conditions Realized in Research on Laser-Plasma Parameters.- 2. Energy Composition of the Reflected Radiation; Anomalous Character of the Interaction of Laser Radiation with a Plasma in a Wide Range of Flux Densities.- 3. Spectral Composition of Reflected and Scattered Radiation.- II Investigation of the Absorption of Laser Radiation in Thin Targets.- 1. Experimental Setup.- 2. Multiframe Schlieren Photography in Ruby-Laser Light; Spatial Resolution.- 3. Determination of the Time of Bleaching of a Thin Target.- 4. Investigation of the Dynamics of Motion of Shock Waves in the Gas Surrounding the Target; Absorbed Energy.- 5. Discussion of Results.- III Reflection of Laser