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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 17, Iss. 21 — Nov. 1, 1978
  • pp: 3402–3407

Laser heterodyne correlation processing of optical thickness irregularities in transparencies

Yoshihiro Ohtsuka and Yoh Imai  »View Author Affiliations


Applied Optics, Vol. 17, Issue 21, pp. 3402-3407 (1978)
http://dx.doi.org/10.1364/AO.17.003402


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Abstract

Irregularities in optical thickness of a given nondiffuse transparency are statistically inferred using optical heterodyne detection techniques. The modulus and phase of its complex amplitude transmittance can be recovered from a beat photocurrent by rotating the transparency in a signal laser beam. The ensemble averaged autocorrelation of the transmittance is obtained by making correlation measurements of the recovered real and imaginary parts of the transmittance. This autocorrelation function has a nonvanishing imaginary part, so that the spatial spectral profile (i.e., its power spectrum) of the transparency becomes asymmetric.

© 1978 Optical Society of America

History
Original Manuscript: February 24, 1978
Published: November 1, 1978

Citation
Yoshihiro Ohtsuka and Yoh Imai, "Laser heterodyne correlation processing of optical thickness irregularities in transparencies," Appl. Opt. 17, 3402-3407 (1978)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-17-21-3402


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References

  1. See, for example, M. Born, E. Wolf, Principles of Optics (Pergamon, New York, 1964), pp. 286–288.
  2. See, for example, J. C. Dainty, in Progress in Optics, E. Wolf, Ed. (North-Holland, Amsterdam, 1976), Vol. 14, pp. 1–46. [CrossRef]
  3. Y. Ohtsuka, I. Sasaki, Appl. Phys. 3, 15 (1974). [CrossRef]
  4. Y. Ohtsuka, I. Sasaki, Appl. Phys. 7, 265 (1975). [CrossRef]
  5. Y. Ohtsuka, in Recent Advances in Optical Physics, Proceedings of the ICO-10, Prague-1975, B. Havelka, J. Blabla, Eds. (Placky U., Prague, 1976).
  6. H. Arsenlault, S. Lowenthal, Opt. Commun. 1, 451 (1970). [CrossRef]
  7. T. Asakura, H. Fujii, K. Murata, Opt. Acta 19, 273 (1972). [CrossRef]

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