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Applied Optics

Applied Optics


  • Vol. 20, Iss. 6 — Mar. 15, 1981
  • pp: 976–984

Intracavity adaptive optics. 1: Astigmatism correction performance

J. M. Spinhirne, D. Anafi, R. H. Freeman, and H. R. Garcia  »View Author Affiliations

Applied Optics, Vol. 20, Issue 6, pp. 976-984 (1981)

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A detailed experimental study has been conducted on adaptive optical control methodologies inside a laser resonator. A comparison is presented of several optimization techniques using a multidither zonal coherent optical adaptive technique system within a laser resonator for the correction of astigmatism. A dramatic performance difference is observed when optimizing on beam quality compared with optimizing on power-in-the-bucket. Experimental data are also presented on proper selection criteria for dither frequencies when controlling phase front errors. The effects of hardware limitations and design considerations on the performance of the system are presented, and general conclusions and physical interpretations on the results are made when possible.

© 1981 Optical Society of America

Original Manuscript: October 9, 1980
Published: March 15, 1981

J. M. Spinhirne, D. Anafi, R. H. Freeman, and H. R. Garcia, "Intracavity adaptive optics. 1: Astigmatism correction performance," Appl. Opt. 20, 976-984 (1981)

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  1. R. H. Freeman, R. J. Freiberg, H. R. Garcia, Opt. Lett. 2, 61 (1978). [CrossRef] [PubMed]
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  4. BQ is defined as the ratio of the measured reciprocal percentage PIB, which is normalized by the reciprocal percentage PIB of a uniform plane wave annulus corresponding to the geometrically predicted resonator output.
  5. PIB is the far-field power within the Airy disk of the outcoupled beam. Airy disk dimension is determined from the geometrically predicted near-field intensity pattern of the resonator.
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