Investigations in Nonlinear Optics and Hyperacoustics

ISBN-13: 9781468478044 / Angielski / Miękka / 2012 / 164 str.

D. V. Skobel Tsyn; D. V. Skobel Tsyn

Spis treści

Spectra of the Thermal and Stimulated Scattering of Light in the Wing of the Rayleigh Line.- I. Theoretical and Experimental Investigations of the Spectra of the Thermal and Stimulated Scattering of Light.- 1. Spectral Composition of the Light Scattered by Anisotropy Fluctuations in Liquids.- 2. Width and Profile of Depolarized Lines of the Raman Scattering of Light in Liquids.- 3. Investigations of the Stimulated Scattering of Light in the Wing of the Rayleigh Line.- II. Apparatus and Methods Used in Investigations of the Spectra of the Thermal and Stimulated Scattering of Light.- 1. Method Used in Investigations of the Thermal Rayleigh Wing and of the Raman Line Profiles.- 2. Apparatus Used in Investigations of the Stimulated Scattering of Light.- III. Results of Investigations of the Spectrum of Light Scattered by Anisotropy Fluctuations in Liquids.- 1. Wing of the Rayleigh Line of Viscous Liquids.- 2. Angular Distribution of the Intensity in the Thermal Wing of the Rayleigh Line.- 3. Experimental Investigation of the Wings of Depolarized Raman Lines of Liquids.- IV. Results of an Investigation of the Stimulated Molecular Scattering of Light.- 1. Influence of Temperature on the Stimulated Scattering in the Wing of the Rayleigh Line.- 2. Four-Photon Interaction in the Stimulated Wing of the Rayleigh Line.- Literature Cited.- Light Scattering Studies of the Propagation of Longitudinal and Transverse Hypersonic Waves in Liquids.- I. Some Theoretical and Experimental Investigations of the Molecular Scattering of Light in Liquids.- 1. Fine Structure of the Rayleigh Scattering of Light in Liquids.- 2. Relaxation Theory of the Propagation of Sound in Condensed Media.- 3. Phenomenological Theory of the Spectral Composition of Scattered Light and of the Propagation of Transverse Hypersonic Waves in Liquids.- 4. Some of the Earlier Investigations of the Fine Structure and the Wing of the Rayleigh Line of Liquids.- II. Method for Experimental Investigation of the Thermal Scattering of Light in Liquids.- 5. Apparatus Used in Investigations of the Fine Structure of the Rayleigh Line.- 6. Helium—Neon Gas Laser Used in Investigations of the Molecular Scattering of Light.- 7. Method Used in the Analysis of Spectrograms and Estimated Precision of the Optical Measurements.- III. Dispersion of the Velocity of Sound and the Absorption of Sound in Liquids.- 8. Results of Measurements of the Velocity and Absorption of Hypersound in Liquids.- 9. Discussion of Experimental Results on the Propagation of Hypersound in Liquids.- 10. Velocity of Hypersound and Absorption of Sound in Water and Acetone. Negative Dispersion of the Velocity of Sound.- 11. Ratio of the Integrated Intensities of the Fine Structure Components of the Rayleigh Line.- IV. Transverse Hypersonic Waves in Low-Viscosity Liquids.- 12. Narrow Wing of the Rayleigh Line and Fluctuations of the Anisotropy Due to Shear Strains.- Literature Cited.- Stimulated Molecular Scattering of Light in Gases.- I. Theoretical and Experimental Investigations of the Spectra of Molecular Scattering of Light in Gases.- 1. General Aspects of the Theory of Molecular Scattering of Light in Gases (Continuous Medium Approximation).- 2. Fine Structure of the Rayleigh Scattering of Light in Gases (? ? ?).- 3. Molecular Scattering of Light in Gases for ? ? ?.- 4. Stimulated Brillouin Scattering in Gases.- 5. Stimulated Temperature (Entropy) Scattering of Light.- II. Method and Apparatus Used in Experimental Investigations of the Stimulated Molecular Scattering of Light in Gases.- 6. Generation of High-Power Giant Ruby Laser Pulses with Narrow Emission Wavelengths.- 7. Optical Components of the Apparatus.- 8. Mechanism of Trigger Amplification of the Stimulated Brillouin Scattering and Stimulated Temperature Scattering Components.- III. Experimental Results of Spectroscopic Investigations of the Stimulated Brillouin Scattering in Gases.- 9. Investigations of Interferometric Spectra of the Stimulated Brillouin Scattering in Compressed Gases.- 10. Time Evolution of the Stimulated Brillouin Scattering in Gaseous Nitrogen at 150 atm.- 11. Dependence of the Shifts of the Brillouin Scattering Components on the Intensity of the Exciting Radiation.- 12. Stimulated Brillouin Scattering in Low-Pressure Hydrogen.- IV. Experimental Results of Spectroscopic Investigations of the Nonlinear Electrocaloric Interaction of High-Power Light Pulses with a Gas.- 13. Investigations of the Spectra of the Amplified Stimulated Temperature Scattering in Low-Pressure Hydrogen.- 14. Broadening of the Frequency Spectrum of High-Power Laser Pulses in Gases.- Literature Cited.- Experimental Investigations of the Thermal and Stimulated Molecular Scattering of Light in Solutions in a Wide Range of Wavelengths.- I. Optical Heterodyne Methods and Some of Their Applications in Investigations of Molecular Scattering of Light.- 1. Optical Heterodyne Methods.- 2. Experimental Investigations of the Thermal Scattering of Light in Liquids and Solutions by Optical Heterodyne Methods.- 3. Heterodyning of Light Under Stimulated Scattering Conditions.- II. Measurement of the Width of the Central Component of the Thermal Scattering Spectrum and Determination of Inter-diffusion Coefficients of Solutions of Acetone in Carbon Disulfide and of Bromoform in n-Propanol.- 1. Spectrometer with Square-Law Detection.- 2. Selection of Investigated Substances.- 3. Results of Measurements and Discussion.- III. Thermal and Stimulated Brillouin Scattering, Velocity of Hypersound, and Dispersion of This Velocity in Aqueous Solutions of Tertiary Butyl Alcohol.- 1. Some Features of the Propagation of Ultrasound in Aqueous Solutions of Tertiary Butyl Alcohol.- 2. Apparatus and Measurement Method.- 3. Results and Discussion.- IV. Fine Structure of the Rayleigh Line and Temperature Dependence of the Velocity of Hypersound and of Dispersion of This Velocity near the Critical Solution Point of Triethylamine—Water Systems.- 1. Some Features of the Scattering of Light near the Critical Point of Solutions.- 2. Velocity and Absorption of Ultrasound near the Critical Solution Point of Triethylamine—Water Systems.- 3. Experimental Method.- 4. Results and Discussion.- V. Stimulated Scattering of Light in Carbon Disulfide and in Solutions of Carbon Disulfide in Carbon Tetrachloride. Amplification of the R2-Line Radiation of a Ruby Laser by Four-Photon Interaction.- 1. Stimulated Concentration Scattering. Estimate of the Gain Deduced from the Steady-State Theory.- 2. Four-Photon Interaction in Stimulated Scattering Processes.- 3. Stimulated Scattering in Carbon Disulfide and in Solutions of Carbon Disulfide in Carbon Tetrachloride.- 4. Amplification of the R2 Ruby Laser Line by the Four-Photon Interaction in the Stimulated Wing of the Rayleigh Line.- Literature Cited.