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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 58, Iss. 5 — May. 1, 1968
  • pp: 600–608

Imaging Through a Randomly Inhomogeneous Medium by Wavefront Reconstruction

JACK D. GASKILL  »View Author Affiliations


JOSA, Vol. 58, Issue 5, pp. 600-608 (1968)
http://dx.doi.org/10.1364/JOSA.58.000600


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Abstract

When an object and collecting pupil are separated by a medium that has random spatial and temporal variations of refractive index, a conventionally formed image may be severely degraded over the entire field of view of the imaging system. By using lensless Fourier-transform holography, considerable improvement of image resolution can be obtained within a limited field of view. The nature of the degradation of the reconstructed images is analyzed for both long and short exposures under the assumption that the random log amplitude and phase fluctuations across the collecting pupil are locally stationary processes with gaussian statistics. Experimental results support the analysis in a qualitative manner.

Citation
JACK D. GASKILL, "Imaging Through a Randomly Inhomogeneous Medium by Wavefront Reconstruction," J. Opt. Soc. Am. 58, 600-608 (1968)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-58-5-600

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