Evaluation of stable and unstable resonator configurations for efficient second-harmonic laser systems

Julie A. Williams-Byrd; Norman P. Barnes

doi:10.1117/12.60166

1 June 1992 Evaluation of stable and unstable resonator configurations for efficient second-harmonic laser systems

Julie A. Williams-Byrd, Norman P. Barnes

Proceedings Volume 1627, Solid State Lasers III; (1992) https://doi.org/10.1117/12.60166
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

A comparative evaluation of a stable resonator, self-filtering unstable resonator, and an unstable resonator with a graded reflectivity mirror (GRM) as the output coupler is presented. The GRM resonator produced a slope efficiency of 1.4 percent, best beam quality (1.4 times diffraction limit), and highest conversion efficiency (50 percent). Other accomplishments include determination of the importance of measuring thermal focusing when designing unstable resonators, development of techniques in measuring thermal focusing and birefringence in laser materials, and development of a high brightness laser system for efficient second harmonic conversion.

Citation Download Citation

Julie A. Williams-Byrd and Norman P. Barnes "Evaluation of stable and unstable resonator configurations for efficient second-harmonic laser systems", Proc. SPIE 1627, Solid State Lasers III, (1 June 1992); https://doi.org/10.1117/12.60166

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