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Applied Optics

Applied Optics


  • Vol. 23, Iss. 9 — May. 1, 1984
  • pp: 1395–1398

Quasi-cw 20-W tunable 1-sec pulse CO2 laser for optical pumping

L. E. Sharp and H. J. Barkley  »View Author Affiliations

Applied Optics, Vol. 23, Issue 9, pp. 1395-1398 (1984)

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A four-section CO2 laser is described which can produce 20 W in fundamental mode during a 1-sec pulse with a frequency tuning range of ±300 MHz. It operates at 200-Torr pressure using sonic axial flow to inhibit the discharge column from filamenting. The input power density is 58 W cm−3 corresponding to an efficiency of 2%.

© 1984 Optical Society of America

Original Manuscript: October 18, 1983
Published: May 1, 1984

L. E. Sharp and H. J. Barkley, "Quasi-cw 20-W tunable 1-sec pulse CO2 laser for optical pumping," Appl. Opt. 23, 1395-1398 (1984)

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  1. N. Iola, G. Moruzzi, F. Strumiaf, Lett. Nuovo Cimento 28, 257 (1980). [CrossRef]
  2. R. L. Abrams, Appl. Phys. Lett. 25, 304 (1974). [CrossRef]
  3. R. McLeary, W. E. K. Gibbs, IEEE J. Quantum Electron. QE-9, 828 (1973). [CrossRef]
  4. Germanium beam splitters can only be used at these flux densities for quasi-cw (<3-sec) operation; see P. A. Young, Appl. Opt. 10, 638 (1971). [CrossRef] [PubMed]

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