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Proceedings Paper

A new method of small signal gain measurement in CW CO2 laser
Author(s): F. Soltanmoradi; A. Behjat; Majid Aram; M. Darabi; S. Ghafori
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Paper Abstract

A single longitudinally excited CW CO2 laser, designed based on gas flow mechanism has been used for small signal gain measurements. By inserting a ZnSe stack polarizer set at Brewster angle inside the laser cavity the absorption loss at the critical condition was obtained. The small-signal gain measurements were performed under various laser operational conditions such as gas pressure and input electric power. At the same experimental conditions, the values of the saturation intensity were calculated from the output power and the measured small-signal gain values. The results are compared with those reported previously by other researchers.

Paper Details

Date Published: 23 March 2005
PDF: 5 pages
Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); doi: 10.1117/12.611029
Show Author Affiliations
F. Soltanmoradi, Laser Research Ctr. (Iran)
A. Behjat, Laser Research Ctr. (Iran)
Yazd Univ. (Iran)
Majid Aram, Laser Research Ctr. (Iran)
M. Darabi, Yazd Univ. (Iran)
S. Ghafori, Yazd Univ. (Iran)

Published in SPIE Proceedings Vol. 5777:
XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Jarmila Kodymova, Editor(s)

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