Controlling and utilizing aberrations in solid state lasers

Siamak Makki; James R. Leger

doi:10.1117/12.346790

29 April 1999 Controlling and utilizing aberrations in solid state lasers

Siamak Makki, James R. Leger

Proceedings Volume 3729, Selected Papers from International Conference on Optics and Optoelectronics '98; (1999) https://doi.org/10.1117/12.346790
Event: Selected Papers from the International Conference on Optics and Optoelectronics, 1998, Dehradun, India

Abstract

A solid-state laser cavity is studied where the laser crystal aberrations are corrected by a diffractive optic element. The type of aberration and the location of the correction plate are found to influence the modal performance of the cavity significantly. The largest modal discrimination is obtained for axicon-like crystal aberrations and when the correction is performed close to the end mirror. An experiment is performed with a laser- diode-pumped Nd:YVO₄ laser. With no correction, a thermally induced aberration of approximately two waves is measured across the crystal. By using a diffractive corrector plate, the single-mode slope efficiency is increased by a factor of 4, and the total single-mode output power is increased by a factor of 3.

Citation Download Citation

Siamak Makki and James R. Leger "Controlling and utilizing aberrations in solid state lasers", Proc. SPIE 3729, Selected Papers from International Conference on Optics and Optoelectronics '98, (29 April 1999); https://doi.org/10.1117/12.346790

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