Diffractive-optic unstable resonator for low-gain lasers

Siamak Makki, James R Leger

Research output: Contribution to journalArticlepeer-review

Abstract

A technique for designing unstable resonators for low gain lasers has been developed. The technique features a Gaussian reflectivity mirror (GRM) output coupler whose central reflectivity can be much higher than the conventional 1/m2 and allows the production of an output beam which does not have a large depression in the center. It uses a phase structure on the end mirror to alter the Gaussian mode inside the cavity in such a way that, after passing through the high-reflectivity Gaussian output coupler, it will result in a flat output profile.

Original languageEnglish (US)
Pages (from-to)858-859
Number of pages2
JournalConference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS
Volume2
StatePublished - Dec 1 1999

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