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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 3, Iss. 6 — Jun. 10, 2005
  • pp: 336–338

Parameter study of RF excited diffusively cooled all-metal slab waveguide CO2 laser

Ning Su, Shuna Yao, Yanhong Zhong, and Jianguo Xin  »View Author Affiliations


Chinese Optics Letters, Vol. 3, Issue 6, pp. 336-338 (2005)


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Abstract

In this paper, we have investigated some parameters of a radio frequency (RF) excited diffusively cooled all-metal slab waveguide CO2 laser based on the modified Rigrod theory by introducing a waveguide coupling efficiency which designates the coupling between the waveguide and the resonator mirrors. The parameters of the laser small signal gain g0, saturation intensity Is, and waveguide coupling efficiency (\eta) are studied theoretically and experimentally. In the experiments, three sets of output coupling flat mirrors with the different transitivities were used, and a maximum laser power output of 150 W was obtained from a gas discharge region of 2-mm height, 20-mm width, and 386-mm length coupled with a CASE-I optical waveguide resonator.

© 2005 Chinese Optics Letters

OCIS Codes
(140.3320) Lasers and laser optics : Laser cooling
(140.3470) Lasers and laser optics : Lasers, carbon dioxide
(230.7400) Optical devices : Waveguides, slab

Citation
Ning Su, Shuna Yao, Yanhong Zhong, and Jianguo Xin, "Parameter study of RF excited diffusively cooled all-metal slab waveguide CO2 laser," Chin. Opt. Lett. 3, 336-338 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-6-336


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References

  1. D. R. Hall and H. J. Baker, Laser Focus World 25, (10) 77 (1989).
  2. J. Xin, S. Yao, N. Su, Z. Li, and Y. Zhong, Chin. Opt. Lett. 3, 83 (2005).
  3. J. G. Xin and X. Y. Peng, in Proceedings of International Conference on Electro-Optics and Lasers'95 B67, 271 (1995).
  4. W. W. Rigrod, J. Appl. Phys. 36, 2487 (1965).
  5. J. J. Degnan and D. R. Hall, IEEE J. Quantum Electron. 9, 901 (1973).

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