Solid-state laser resonators with diffractive optic thermal aberration correction

Siamak Makki; James Leger

doi:10.1109/3.772179

Solid-state laser resonators with diffractive optic thermal aberration correction

Siamak Makki, James Leger

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

36 Scopus citations

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 significantly influence the modal performance of the cavity. 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 thermal 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.

Original language	English (US)
Pages (from-to)	1075-1085
Number of pages	11
Journal	IEEE Journal of Quantum Electronics
Volume	35
Issue number	7
DOIs	https://doi.org/10.1109/3.772179
State	Published - Jul 1999

Bibliographical note

Funding Information:
Manuscript received August 27, 1998; revised March 16, 1999. This work was supported in part by the Army Research Office; supercomputing time was made available by a grant from the Minnesota Supercomputing Institute. The authors are with the Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN 55455 USA. Publisher Item Identifier S 0018-9197(99)05257-4.

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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 significantly influence the modal performance of the cavity. 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 thermal 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.",

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N2 - 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 significantly influence the modal performance of the cavity. 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 thermal 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.

AB - 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 significantly influence the modal performance of the cavity. 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 thermal 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.

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Solid-state laser resonators with diffractive optic thermal aberration correction

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