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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 66, Iss. 8 — Aug. 1, 1976
  • pp: 861–863

Image sampling using phase gratings

Ronald S. Hershel, Paul W. Scott, and Theodore E. Shrode  »View Author Affiliations

JOSA, Vol. 66, Issue 8, pp. 861-863 (1976)

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A novel method is described for sampling images formed with quasimonochromatic light at or near the diffraction limit of the primary imaging system. The high-resolution sampling method uses a binary phase grating placed in the primary image plane. The grating produces multiple images of the entrance pupil that can be spatially filtered to achieve a periodic amplitude modulation in the relayed image. It is shown that the modulation is insensitive to the degree of coherence in the image.

© 1976 Optical Society of America

Ronald S. Hershel, Paul W. Scott, and Theodore E. Shrode, "Image sampling using phase gratings," J. Opt. Soc. Am. 66, 861-863 (1976)

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  1. J. W. Goodman, Introduction to Fourier Optics (McGraw-Hill, New York, 1968).
  2. Ron Bracewell, The Fourier Transform and Its Applications (McGraw-Hill, New York, 1965).

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