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3.6 Gasdynamical lasers, chemical lasers

Chapter Concepts

Properties beam quality; internal production rate; optical gain; optical radiation; output power; population distribution density; pulse duration; pumping scheme; radiative intensity; reflected shock; small-signal gain; vibrational energy; vibrational energy loss
Keywords Einstein coefficient; fractional output coupling; laser power extraction; multiline emission; population inversion
Main Subjects Gasdynamical lasers, chemical lasers
Substrates gas laser

Table of Contents:

  • Gasdynamical lasers, chemical lasers
    • Introduction, historical background
    • Gasdynamic lasers (GDLs)
      • Conventional combustion-driven GDLs
        • Population inversion due to gasdynamic processes
        • GDL fuels and energy requirements
        • Numerical modeling and simulations
        • Population densities and small-signal gain achieved in gasdynamic lasers
        • Power extraction
        • Simplified calculation of small-signal gain, analytical approximations
        • Specific experimental investigations, realization of pulsed laser systems
        • Optical cavity design
      • Downstream mixing GDLs
      • Gasdynamic CO2 laser by detonation of solid explosives
    • Fast-flow electric discharge lasers (EDL)
      • Electrically excited fast-flow or gasdynamic CO lasers
      • Electrical discharge excited gasdynamic CO2 lasers
      • Miscellaneous
    • Chemical lasers
      • Fundamental processes, vibrational, rotational and translational temperatures
      • Specific reactions and operation principles of chemical lasers
      • Discussion and evaluation of chemical laser systems
        • Iodine lasers
          • Pulsed systems, photolytically initiated iodine lasers (PIL)
          • Continuous-wave iodine lasers (COIL)
        • HCl and HBr lasers
          • Pulsed HCl lasers and HBr laser studies
          • Continuous-wave laser excitation
          • Numerical analysis
        • CO lasers
          • Pulsed CO lasers
          • Continuous-wave CO lasers
        • HF, DF lasers
          • Pulsed HF, DF lasers
            • Flash-photolytically initiated reactions
            • Discharge-initiated pulsed HF, DF lasers
            • Repetitively pulsed HF, DF lasers
          • Continuous-wave HF or DF lasers
            • Diffusion type of chemical cw HF, DF lasers
            • Chain-reaction lasers
            • Combustion-driven chemical lasers
        • Transfer chemical lasers
          • Pulsed transfer chemical (TCL) CO2 lasers
            • Energy transfer from vibrationally excited nitrogen
            • Energy transfer from vibrationally excited hydrogen halides
          • Continuous-wave DF-CO2 transfer chemical lasers
            • Subsonic continuous-wave DF-CO2 transfer chemical laser
            • Supersonic cw DF-CO2 transfer chemical laser
        • Miscellaneous
          • Pulsed NO laser
    • Concluding remarks
    • References for 3.6

Source

Title

3.6 Gasdynamical lasers, chemical lasers
In

3 Gas lasers
Author M. Hugenschmidt
Affiliation
German-French Research Institute of Saint-Louis, Saint-Louis Cedex, France; Faculty of Electrical Engineering and Information Technique, University of Karlsruhe, Karlsruhe, Germany
Part of Landolt-Börnstein - Group VIII Advanced Materials and Technologies
Numerical Data and Functional Relationships in Science and Technology
Volume

11: Laser Systems, Part 1
Edited by G. Herziger, H. Weber, R. Poprawe
Chapter-DOI 10.1007/978-3-540-44821-1_8
Book-DOI 10.1007/978-3-540-44821-1 (Volume in Bookshelf)

Cite as

RIS-Export Hugenschmidt, M.: 3.6 Gasdynamical lasers, chemical lasers. Herziger, G., Weber, H., Poprawe, R. (ed.). SpringerMaterials - The Landolt-Börnstein Database (http://www.springermaterials.com). Springer-Verlag, 2007. DOI: 10.1007/978-3-540-44821-1_8

Abstract

3.6 Gasdynamical lasers, chemical lasers in '3 Gas lasers', part of 'Landolt-Börnstein - Group VIII Advanced Materials and Technologies: Numerical Data and Functional Relationships in Science and Technology, Volume 11: Laser Systems, Part 1'.
This document is part of Subvolume B 'Laser Systems', Part 1 of Volume 1 'Laser Physics and Applications' of Landolt-Börnstein Group VIII 'Advanced Materials and Technologies'. It contains: 3.6.1 Introduction, historical background 3.6.2 Gasdynamic lasers (GDLs) 3.6.2.1 Conventional combustion-driven GDLs 3.6.2.1.1 Population inversion due to gasdynamic processes 3.6.2.1.2 GDL fuels and energy requirements 3.6.2.1.3 Numerical modeling and simulations 3.6.2.1.4 Population densities and small-signal gain achieved in gasdynamic lasers 3.6.2.1.5 Power extraction 3.6.2.1.6 Simplified calculation of small-signal gain, analytical approximations 3.6.2.1.7 Specific experimental investigations, realization of pulsed laser systems 3.6.2.1.8 Optical cavity design 3.6.2.2 Downstream mixing GDLs 3.6.2.3 Gasdynamic CO2 laser by detonation of solid explosives 3.6.3 Fast-flow electric discharge lasers (EDL) 3.6.3.1 Electrically excited fast-flow or gasdynamic CO lasers 3.6.3.2 Electrical discharge excited gasdynamic CO2 lasers 3.6.3.3 Miscellaneous 3.6.4 Chemical lasers 3.6.4.1 Fundamental processes, vibrational, rotational and translational temperatures 3.6.4.2 Specific reactions and operation principles of chemical lasers 3.6.4.3 Discussion and evaluation of chemical laser systems 3.6.4.3.1 Iodine lasers 3.6.4.3.1.1 Pulsed systems, photolytically initiated iodine lasers (PIL) 3.6.4.3.1.2 Continuous-wave iodine lasers (COIL) 3.6.4.3.2 HCl and HBr lasers 3.6.4.3.2.1 Pulsed HCl lasers and HBr laser studies 3.6.4.3.2.2 Continuous-wave laser excitation 3.6.4.3.2.3 Numerical analysis 3.6.4.3.3 CO lasers 3.6.4.3.3.1 Pulsed CO lasers 3.6.4.3.3.2 Continuous-wave CO lasers 3.6.4.3.4 HF, DF lasers 3.6.4.3.4.1 Pulsed HF, DF lasers 3.6.4.3.4.1.1 Flash-photolytically initiated reactions 3.6.4.3.4.1.2 Discharge-initiated pulsed HF, DF lasers 3.6.4.3.4.1.3 Repetitively pulsed HF, DF lasers 3.6.4.3.4.2 Continuous-wave HF or DF lasers 3.6.4.3.4.2.1 Diffusion type of chemical cw HF, DF lasers 3.6.4.3.4.2.2 Chain-reaction lasers 3.6.4.3.4.2.3 Combustion-driven chemical lasers 3.6.4.3.5 Transfer chemical lasers 3.6.4.3.5.1 Pulsed transfer chemical (TCL) CO2 lasers 3.6.4.3.5.1.1 Energy transfer from vibrationally excited nitrogen 3.6.4.3.5.1.2 Energy transfer from vibrationally excited hydrogen halides 3.6.4.3.5.2 Continuous-wave DF-CO2 transfer chemical lasers 3.6.4.3.5.2.1 Subsonic continuous-wave DF-CO2 transfer chemical laser 3.6.4.3.5.2.2 Supersonic cw DF-CO2 transfer chemical laser 3.6.4.3.6 Miscellaneous 3.6.4.3.6.1 Pulsed NO laser 3.6.5 Concluding remarks References for 3.6