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Applied Optics

Applied Optics


  • Vol. 13, Iss. 11 — Nov. 1, 1974
  • pp: 2512–2517

Optical Quality of Pulsed Electron-Beam Sustained Lasers

E. R. Pugh, J. Wallace, J. H. Jacob, D. B. Northam, and J. D. Daugherty  »View Author Affiliations

Applied Optics, Vol. 13, Issue 11, pp. 2512-2517 (1974)

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The optical quality of a pulsed atmospheric CO2 electric laser is investigated. The density disturbances in the optical cavity are caused by edge waves originating at the anode and cathode. Volumetric heating effects associated with a nonuniform electric discharge are shown to be negligible. The disturbance propagating from the cathode results from a discontinuity in the spatial heating and the cathode fall. The wave emanating from the anode is associated with the presence of a solid surface that prevents the gas from expanding. As a result, lasers have to be designed with pulse durations much less than the acoustic transit time across the cavity.

© 1974 Optical Society of America

Original Manuscript: April 17, 1974
Published: November 1, 1974

E. R. Pugh, J. Wallace, J. H. Jacob, D. B. Northam, and J. D. Daugherty, "Optical Quality of Pulsed Electron-Beam Sustained Lasers," Appl. Opt. 13, 2512-2517 (1974)

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  1. J. D. Daugherty, E. R. Pugh, D. H. Douglas-Hamilton, Bull. Am. Phys. Soc. 16, 399 (1971); C. A. Fernstermacher, M. J. Nutter, J. P. Rink, K. Boyer, Bull. Am. Phys. Soc. 16, 42 (1971).
  2. J. Wallace, M. Camac, J. Opt. Soc. Am. 60, 1587 (1970). [CrossRef]
  3. J. H. Jacob, J. P. Reilly, E. R. Pugh, J. Appl. Phys. 45, 2609 (1974). [CrossRef]
  4. D. B. Henderson, J. Appl. Phys. 44, 1513 (1973); J. H. Jacob, J. Appl. Phys. 45, 467 (1974). [CrossRef]

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