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Proceedings Paper

A compact injection-locked single longitudinal mode TEA CO2 laser
Author(s): K. Silakhori; A. Behjat; F. Soltanmoradi; M. Montazerolghaem; R. Sadr
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Paper Abstract

By coupling a CW C02 and a TEA CO2 laser through a grating simultaneously used for both resonators, without any additional optical elements, the CW laser radiation was injected without loss into the TEA CO2 laser optical cavity. Thus, longitudinal and transverse single mode operation of the TEA CO2 laser was achieved successfully without any intracavity limiting apertures an evident by the smooth shape of detected pulses. Furthermore, a 3x3 cm cross section single mode beam with unaffected energy of about 4 J/pulse was obtained. This specially designed array due to its observed spectral coincidence of CW radiation and pulsed emission indicates exact alignment of injected CW radiation with the optical axis of TEA CO2 laser resonator without significant angular deviation. Slight radial deviation, however, did not have any detectable destructive effect on the single mode output signals. This compact and simple structure single mode TEA CO2 laser with its stability and simple adjustability can be very useful particularly for portable units such as atmospheric lidar instruments.

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: 10.1117/12.611162
Show Author Affiliations
K. Silakhori, Laser Research Institute (Iran)
A. Behjat, Laser Research Institute (Iran)
Yazd Univ. (Iran)
F. Soltanmoradi, Laser Research Institute (Iran)
M. Montazerolghaem, Laser Research Institute (Iran)
R. Sadr, Laser Research Institute (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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