Line stabilization of slab waveguide CO2 lasers and the laser signature revisited

Howard J. Baker; P. A. Field; F. Villarreal; S. D. Stratton; R. J. Ramirez; D. R. Hall

doi:10.1117/12.515469

10 November 2003 Line stabilization of slab waveguide CO₂lasers and the laser signature revisited

Howard J. Baker, P. A. Field, F. Villarreal, S. D. Stratton, R. J. Ramirez, D. R. Hall

Proceedings Volume 5120, XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; (2003) https://doi.org/10.1117/12.515469
Event: XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2002, Wroclow, Poland

Abstract

The problem of line-hoppng in a short cavity, slab waveguide CO₂ laser is studied by modeling of the laser signature and the experimental determination of laser spectra. It is shown that small increments of resonator length, less than 100 µm, significantly change the number of lines in the spectra and at a specific resonator length near 408.7 mm there is the possibility of single line operation. To reduce line-hopping and lock the laser to the 10P20 line, a 10th order, 2 dimensional grating has been laser engraved on one surface of the planar waveguide.

Citation Download Citation

Howard J. Baker, P. A. Field, F. Villarreal, S. D. Stratton, R. J. Ramirez, and D. R. Hall "Line stabilization of slab waveguide CO₂lasers and the laser signature revisited", Proc. SPIE 5120, XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (10 November 2003); https://doi.org/10.1117/12.515469

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