Abstract

A numerical analysis of the system performance of the intracavity adaptive optics experiment is presented. The analysis begins with a detailed comparison of the calculated and experimentally measured sensitivities of the unstable laser to both intracavity phase-tilt and astigmatism aberrations. The appropriate sensitivity measures considered here will be the outcoupled power and the far-field beam quality and power-in-the-bucket due to the field distribution outcoupled from the cavity. Of primary importance here is the correction obtained by the multidither zonal COAT system when a known intracavity phase aberration is introduced. The experimental performance with either beam quality or power in the bucket optimization is numerically assessed along with a comparison of intracavity and extracavity adaptive optic control.

© 1984 Optical Society of America

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Intracavity adaptive optics. 1: Astigmatism correction performance

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Appl. Opt. 20(6) 976-984 (1981)

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