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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 27 — Dec. 17, 2012
  • pp: 28912–28922

Computer modeling and experimental study of non-chain pulsed electric-discharge DF laser

Peng Ruan, Jijiang Xie, Laiming Zhang, Jin Guo, Jingjiang Xie, Guilong Yang, Dianjun Li, Qikun Pan, Gaijuan Tan, Fanjiang Meng, and Shiming Li  »View Author Affiliations


Optics Express, Vol. 20, Issue 27, pp. 28912-28922 (2012)
http://dx.doi.org/10.1364/OE.20.028912


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Abstract

Computer simulation and experimental study of a pulsed electrical-discharge DF laser pumped by the SF6-D2 non-chain reaction are presented. The computer model encompassing 28 reactions is based on laser rate equations theory, and applied to approximately describe the chemical processes of non-chain DF laser. A comprehensive study of the dependence of number density on time for all particles in the gain area is conducted by numerical calculation adopting Runge-Kutta method. The output performance of non-chain pulsed DF laser as a function of the output mirror reflectivity and the mixture ratio are analyzed. The calculation results are compared with experimental data, showing good agreement with each other. Both the theoretical analysis and experimental results present that the laser output performance can be improved by optimizing the mixture ratio and output mirror reflectivity. The optimum values of mixture ratio and output mirror reflectivity are respectively 10:1 and 30%. The single pulse energy of 4.95J, pulse duration of 148.8ns and peak power of 33.27 MW are achieved under the optimum conditions.

© 2012 OSA

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.1550) Lasers and laser optics : Chemical lasers
(140.3430) Lasers and laser optics : Laser theory
(140.3538) Lasers and laser optics : Lasers, pulsed

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 9, 2012
Revised Manuscript: November 19, 2012
Manuscript Accepted: November 21, 2012
Published: December 12, 2012

Citation
Peng Ruan, Jijiang Xie, Laiming Zhang, Jin Guo, Jingjiang Xie, Guilong Yang, Dianjun Li, Qikun Pan, Gaijuan Tan, Fanjiang Meng, and Shiming Li, "Computer modeling and experimental study of non-chain pulsed electric-discharge DF laser," Opt. Express 20, 28912-28922 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-27-28912


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