Characterization of a semiconfocal resonator with diffractive output coupling

Alejandro L. Peuriot; Guillermo D. Santiago; V. D'Accurso; Carlos A. Rosito

doi:10.1117/12.437098

14 August 2001 Characterization of a semiconfocal resonator with diffractive output coupling

Alejandro L. Peuriot, Guillermo D. Santiago, V. D'Accurso, Carlos A. Rosito

Proceedings Volume 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications; (2001) https://doi.org/10.1117/12.437098
Event: IV Iberoamerican Meeting of Optics and the VII Latin American Meeting of Optics, Lasers and Their Applications, 2001, Tandil, Argentina

Abstract

Geometrically stable resonators with diffractive output coupling through a 'dot mirror' are attractive because of their simplicity, good beam quality and enhanced mode volume. The original study addressed the case of high output coupling suitable for high-gain media. In this paper we study the characteristics of the dot mirror output coupler with a Fresnel number in the range from 0.1 to 0.3. The theory is tested in two CO₂ lasers, a TEA and a fast transversal flow. The measured beam diameter and effective reflectivity agree well with the computed values.

Citation Download Citation

Alejandro L. Peuriot, Guillermo D. Santiago, V. D'Accurso, and Carlos A. Rosito "Characterization of a semiconfocal resonator with diffractive output coupling", Proc. SPIE 4419, 4th Iberoamerican Meeting on Optics and 7th Latin American Meeting on Optics, Lasers, and Their Applications, (14 August 2001); https://doi.org/10.1117/12.437098

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