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

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

by N. G. Basov (Editor)

Paperback(1978)

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Product Details

ISBN-13: 9781468416343
Publisher: Springer US
Publication date: 07/08/2012
Series: The Lebedev Physics Institute Series , #85
Edition description: 1978
Pages: 241
Product dimensions: 8.27(w) x 10.98(h) x 0.02(d)

Table of Contents

Stimulated Mandel’ shtam — Brillouin Scattering Lasers V. V. Ragul’skii.- 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 Radiation from a Dense Plasma.- § 1. Experimental Setup.- § 2. Behavior of the Coefficient of Reflection of Laser Radiation from a Plasma in the Flux-Density Interval 1010-1014 W/cm2.- § 3. Dependence of the Reflection Coefficient on the Time; Plasma Probing by Ruby-Laser Radiation.- § 4. Oscillations of Reflected Radiation with Time.- § 5. Directivity of Reflected Radiation.- IV Generation of Harmonics of the Heating-Radiation Frequency in a Laser Plasma.- § 1. Investigation of the Generation of the Second Harmonic of the Heating Radiation in a Laser Plasma; Dependence on the Flux Density; Variation with Time..- § 2. Generation of 3/2?0 Line.- V Anisotropy of X Rays from a Laser Plasma.- § l· Procedure of Multichannel Measurement of Continuous X Radiation.- § 2. Investigation of the Directivity of the X Rays.- § 3. Possibility of Measuring the Electron “Temperature” of a Laser Plasma by the “Absorber” Method.- Literature Cited.- Experimental Study of Cumulative Phenomena in a Plasma Focus and in a Laser Plasma V. A. Gribkov, O. N. Krokhin, G. V. Sklizkov, N. V. Filippov, and T. I. Filippova.- I Procedure of High-Speed Interferometric Investigation of a Nonstationary Dense Plasma.- § 1. The Maximum Information Obtained by Optical Laser Research Methods.- § 2. High-Speed Laser Setup for Interferometric Investigations of a Plasma Focus and Cumulative Laser-Plasma Configurations.- § 3. Synchronization Methods.- § 4. Discussion of the Applicability of Laser Interferometry and Interpretation of the Interference Patterns.- II Investigation of Cumulative Stage of Plasma Focus.- § 1. Parameters of the “Plasma Focus” Installation.- § 2. Results of Reduction of the Interference Patterns of the First Contraction of the Plasma Focus.- § 3. Intermediate Phase.- § 4. Second “Contraction” of Plasma Focus.- § 5. Concluding Stage.- III Discussion of Results of Experiments with Plasma Focus.- § 1. First“Contraction”.- § 2. Intermediate Phase.- § 3. Second #x201C;Contraction”.- § 4. Neutron Emission from Plasma Focus.- IV Investigations of Cumulative Laser Plasma.- § 1. Experimental Setup.- § 2. Collision of Two Laser Flares.- § 3. Quasi-cylindrical Cumulation of Laser Plasma....- § 4. Investigation of X Rays from a Cumulative Laser.- § 5. Probe Studies of Laser Plasma.- V Discussion of Experimental Results.- § 1. Collision of Flares.- § 2. Cone Cumulation.- Conclusion.- Literature Cited.

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