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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 67, Iss. 3 — Mar. 1, 1977
  • pp: 345–350

An initial evaluation of performance of adaptive optical systems with extended dynamic targets

G. F. Gurski, N. T. Nomiyama, R. J. Radley, and J. Wilson  »View Author Affiliations

JOSA, Vol. 67, Issue 3, pp. 345-350 (1977)

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Analytical and computer simulation results are presented which show that both multidither and phase conjugate COAT (coherent optical adaptive techniques) performance for extended dynamic targets will be degraded relative to that achievable for point targets. System parameters, target properties, and interaction geometry all strongly influence the degree to which performance will be influenced by target effects. In general, large targets (relative to diffraction pattern dimensions) and those with dynamic rates which cause the power spectrum of the target backscatter to overlap the sensing bands will significantly degrade both dither and conjugate COAT system performance.

© 1977 Optical Society of America

G. F. Gurski, N. T. Nomiyama, R. J. Radley, and J. Wilson, "An initial evaluation of performance of adaptive optical systems with extended dynamic targets," J. Opt. Soc. Am. 67, 345-350 (1977)

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  1. J. E. Pearson, W. B. Bridges, S. Hansen, T. A. Nussmeir, and M. E. Pedinoff, "Coherent optical adaptive techniques: design and performance of an 18-element visible multidither COAT system," Appl. Opt. 15, 611–621 (1976).
  2. M. J. Lavan, W. K. Cadwallender, and T. F. DeYoung, "A visible wavelength COAT array," Opt. Eng. 15, 56–60 (1976).
  3. S. A. Kokorowski, M. E. Pedinoff, and J. E. Pearson, "lytical, experimental, and computer simulation results on the interactive effects of speckle with multidither adaptive optics systems," J. Opt. Soc. Am. 67, 333–345 (1977) (preceding paper).
  4. J. W. Goodman, "Statistical properties of laser speckle patterns," in Laser Speckle and Related Phenomena, Topics in Applied Physics, Vol. 9, edited by J. C. Dainty (Springer-Verlag, New York, 1975).
  5. A. Papoulis, The Fourier Integral and Its Application (McGraw-Hill, New York, 1962).

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