Abstract

We give a simple proof of the image sharpness criterion S<sup>1</sup> introduced by Muller and Buffington. A close connection with interferometric techniques for diffraction-limited imaging is pointed out. The method of our proof provides indications on the limited validity of several other sharpness criteria.

© 1977 Optical Society of America

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References

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  1. R. A. Muller and A. Buffington, "Real-time correction of atmospherically degraded telescope images through image sharpening," J. Opt. Soc. Am. 64, 1200–1210 (1974).
  2. J. W. Goodman, Introduction to Fourier Optics (McGraw- Hill, New York, 1968).
  3. R. C. Jennison, "A phase sensitive interferometer technique for the measurement of the Fourier transforms of spatial brightness distributions of small angular extent," Mon. Not. R. Astron. Soc. 118, 276 (1958).
  4. M. Ishiguro, "Phase error correction in multi-element radio interferometer by data processing," Astron. Astrophys. Suppl. 15, 431–443 (1974).
  5. D. H. Rogstad, "A technique for measuring visibility phase with an optical interferometer in the presence of atmospheric seeing," Appl. Opt. 7, 585–588 (1968).
  6. W. T. Rhodes and J. W. Goodman, "Interferometric technique for recording and restoring images degraded by unknown abberrations," J. Opt. Soc. Am. 63, 647–657 (1973).

1974 (2)

R. A. Muller and A. Buffington, "Real-time correction of atmospherically degraded telescope images through image sharpening," J. Opt. Soc. Am. 64, 1200–1210 (1974).

M. Ishiguro, "Phase error correction in multi-element radio interferometer by data processing," Astron. Astrophys. Suppl. 15, 431–443 (1974).

1973 (1)

1968 (1)

1958 (1)

R. C. Jennison, "A phase sensitive interferometer technique for the measurement of the Fourier transforms of spatial brightness distributions of small angular extent," Mon. Not. R. Astron. Soc. 118, 276 (1958).

Appl. Opt. (1)

Astron. Astrophys. Suppl. (1)

M. Ishiguro, "Phase error correction in multi-element radio interferometer by data processing," Astron. Astrophys. Suppl. 15, 431–443 (1974).

J. Opt. Soc. Am. (2)

Mon. Not. R. Astron. Soc. (1)

R. C. Jennison, "A phase sensitive interferometer technique for the measurement of the Fourier transforms of spatial brightness distributions of small angular extent," Mon. Not. R. Astron. Soc. 118, 276 (1958).

Other (1)

J. W. Goodman, Introduction to Fourier Optics (McGraw- Hill, New York, 1968).

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