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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 25 — Sep. 1, 1990
  • pp: 3638–3642

Measurement of the point spread function in the ocean

Kenneth J. Voss and Albert L. Chapin  »View Author Affiliations


Applied Optics, Vol. 29, Issue 25, pp. 3638-3642 (1990)
http://dx.doi.org/10.1364/AO.29.003638


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Abstract

A new instrument to measure the point spread function (PSF) in the ocean is described. This instrument uses a CCD solid state camera to measure the angular radiance field due to a pulsed Lambertian source. In this way the PSF can be measured easily at sea, when precise alignments over ranges >10 m cannot be maintained. With the large dynamic range of the camera system, the PSF can be measured over short ranges (10 m), and the variation of the PSF with depth, or range, can be investigated.

© 1990 Optical Society of America

History
Original Manuscript: October 30, 1989
Published: September 1, 1990

Citation
Kenneth J. Voss and Albert L. Chapin, "Measurement of the point spread function in the ocean," Appl. Opt. 29, 3638-3642 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-25-3638


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References

  1. See, for example, R. R. Shannon, “The Testing of Complete Objectives,” in Applied Optics and Optical Engineering, R. Kingslake, Ed. (Academic, New York, 1965), p. 206.
  2. See, for example, W. A. Pearce, “Monte Carlo Study of the Atmospheric Spread Function,” Appl. Opt. 25, 438–447 (1986). [CrossRef] [PubMed]
  3. See, for example, J. S. Jaffe, C. Dunn, “A Model-Based Comparison of Underwater Imaging Systems,” Proc. Soc. Photo-Opt. Instrum. Eng. 925, 344–350 (1988).
  4. L. E. Mertens, F. S. Replogle, “Use of Point Spread and Beam Spread Functions for Analysis of Imaging Systems in Water,” J. Opt. Soc. Am. 67, 1105–1117 (1977). [CrossRef]
  5. W. H. Wells, “Theory of Small Angle Scattering,” in Optics of the Sea, AGARD Lecture Series61 (NATO, 1973).
  6. H. C. Van de Hulst, Light Scattering by Small Particles (Dover, New York, 1981).
  7. A. Morel, “Diffusion de la lumiere par les eaux de mer. Resultats experimentaux et approche theorique,” in Optics of the Sea, AGARD Lecture Series61 (NATO, 1973).
  8. See, for example, N. W. Witherspoon et al., “Experimentally Measured MTF’s Associated with Imaging Through Turbid Water,” Proc. Soc. Photo-Opt. Instrum. Eng. 925, 363–370 (1988).
  9. R. C. Honey, “Beam Spread and Point Spread Functions and Their Measurement in the Ocean,” Proc. Soc. Photo-Opt. Instrum. Eng. 208, 242–248 (1979).
  10. J. E. Tyler, R. C. Smith, Measurements of Spectral Irradiance Underwater (Gordon & Breach, New York, 1970), p. 19.
  11. R. W. Austin, G. Halikas, “The Index of Refraction of Seawater,” SIO Ref. 76-1, Scripps Institution of Oceanography, U. California, San Diego (1976).

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