A Wide-Aperture, Single Mode TEA-0O2 Laser With A Low Chirp Rate

Paul Pace; Silvester Wong; Pierre Mathieu; James Cruickshank

doi:10.1117/12.941391

24 August 1987 A Wide-Aperture, Single Mode TEA-CO₂ Laser With A Low Chirp Rate

Paul Pace, Silvester Wong, Pierre Mathieu, James Cruickshank

Proceedings Volume 0806, Active Infrared Systems and Technology; (1987) https://doi.org/10.1117/12.941391
Event: Fourth International Symposium on Optical and Optoelectronic Applied Sciences and Engineering, 1987, The Hague, Netherlands

Abstract

A wide-aperture, single-mode TEA-CO₂ laser has been developed using a graded-reflectivity mirror to discriminate against higher-order modes. The laser frequency was stabilized by an active cavity-length control plus injection from a low-pressure, CW CO₂ laser. The use of a graded-reflectivity output coupler allowed discrimination against higher-order transverse modes while producing a near diffraction limited far-field beam pattern. Because the transverse mode dimension is large, the frequency "chirp" was low.

Citation Download Citation

Paul Pace, Silvester Wong, Pierre Mathieu, and James Cruickshank "A Wide-Aperture, Single Mode TEA-CO₂ Laser With A Low Chirp Rate", Proc. SPIE 0806, Active Infrared Systems and Technology, (24 August 1987); https://doi.org/10.1117/12.941391

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