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Research in Molecular Laser Plasmas

N. G. Basov (Herausgeber)

Buch | Hardcover
123 Seiten
1976
Kluwer Academic/Plenum Publishers (Verlag)
978-0-306-10928-7 (ISBN)
85,55 inkl. MwSt
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This volume reports investigations which form part of a major series of theoretical and experimental studies being carried out in the Laboratory of Low-Temperature Plasma Optics at the Lebedev Physics Institute in Moscow. The papers give the results of systematic investigations of the chemical composition and of the electrical and optical properties of dis- charge plasmas, and also of populations of laser levels. Reliable and detailed information is given on the dissociation of carbon dioxide gas in discharges; the nature of the velocity dis- tribution function, average energies, and densities of electrons; and populations and vibrational temperatures of molecules in cw CO and CO lasers. 2 The material in this volume is intended for specialists in quantum electronics and low- temperature plasma diagnostics. v CONTENTS Investigations of Physicochemical Properties of CO Laser Plasma 2 V. N. Ochkin Introduction *. . *...1 Chapter I Dissociation of CO Molecules in a CO Laser Gas-Discharge Plasma. * . * * * . * * * * 3 2 2 1. Brief Review of Investigations of Dissociation of CO in 2 Electrical Discharges. * * * . . * . . * * * * * * . * * * * * * * * * * . . * * * * * * 3 2.
Method for Determining Gas Composition. * * * * * * * * * * * * * * * * * * . . * . 6 3. Dissociation of CO in a Continuous-Flow Laser System. * * * * . . * . .

Investigations of Physicochemical Properties of CO2 Laser Plasma V. N. Ochkin.- I Dissociation of CO2 Molecules in a CO2 Laser Gas-Discharge Plasma.- 1. Brief Review of Investigations of Dissociation of CO2 in Electrical Discharges..- 2. Method for Determining Gas Composition.- 3. Dissociation of CO2 in a Continuous-Flow Laser System.- 4. Measurements of Gas Composition in a Sealed CO2 Laser.- II Relaxation Processes and Population Inversion in a Multicomponent Plasma in a CO2 Discharge Laser.- 1. Introduction.- 2. Derivation of Rate Equations.- 3. Parameters of a Discharge Plasma and Efficiencies of Elementary Processes.- 4. Solution of Relaxation Equations. Results of Calculations.- III Experimental Determination of Laser Level Populations. Vibrational Temperatures.- 1. Method for Measuring Vibrational Temperatures and Populations of Vibrational Levels on the Basis of Visible and Ultraviolet Spontaneous Radiation.- 2. Experimental Method.- 3. Results and Discussion.- Conclusions.- Appendix I. Measurement of Gas Flow Rate.- Appendix II. Spectral Sensitivity of the Photomultiplier.- Literature Cited.- Experimental Investigation of Electrical and Optical Properties of the Positive Column of Flow Discharges in Molecular Gases M. Z. Novgorodo.- I Review of Literature on Electrical and Optical Properties of Plasmas in Molecular Discoharges and Basic Information on CO2 Lasers.- 1. Basic Information on CO2 Lasers.- 2. Elements of the Kinetic Theory of Plasmas.- 3. Review of Experimental Measurements of Electrical Properties of Molecular Plasmas.- II Experimental Methods and Conditions.- 1. Probe Method..- 2. High-Frequency Resonator Method.- 3. Construction of Discharge Tube, Probes, and Power Supply System.- III Results of Investigations of Gas-Discharge Plasmas in Molecular Gases.- 1. Investigations of Positive Discharge Columns in Nitrogen.- 2. Discharges in CO2 and in Mixtures of Other Gases with CO2.- 3. Influence of Xe on Properties of CO2 Laser Plasmas.- 4. Electrical Properties of Discharge Plasmas and Population Inversion in CO2 Lasers.- 5. Probe and High-Frequency Measurements in Non-Maxwellian Plasmas.- 6. Discharge Power Carried by Charges to Tube Walls.- Conclusions.- Literature Cited.

Reihe/Serie The Lebedev Physics Institute Series ; 78
Zusatzinfo 9 black & white illustrations, biography
Sprache englisch
Themenwelt Naturwissenschaften Physik / Astronomie Atom- / Kern- / Molekularphysik
ISBN-10 0-306-10928-X / 030610928X
ISBN-13 978-0-306-10928-7 / 9780306109287
Zustand Neuware
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