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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 67, Iss. 3 — Mar. 1, 1977
  • pp: 298–303

Correction of atmospheric distortion with an image-sharpening telescope

A. Buffington, F. S. Crawford, R. A. Muller, A. J. Schwemin, and R. G. Smits  »View Author Affiliations

JOSA, Vol. 67, Issue 3, pp. 298-303 (1977)

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We have built and tested a 30 × 5 cm aperture telescope which used six movable mirrors to compensate for atmospherically induced phase distortion. A feedback system adjusts the mirrors in real time to maximize the intensity of light passing through a narrow slit in the image plane. We have achieved essentially diffraction-limited performance when imaging both laser and white-light objects through 250 m of turbulent atmosphere. The behavior of our telescope was accurately predicted by computer simulations. The system has yet to achieve its full potential, but has already operated successfully for objects as dim as 5th magnitude.

© 1977 the Optical Society of America

A. Buffington, F. S. Crawford, R. A. Muller, A. J. Schwemin, and R. G. Smits, "Correction of atmospheric distortion with an image-sharpening telescope," J. Opt. Soc. Am. 67, 298-303 (1977)

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  1. R. A. Muller and A. Buffington, J. Opt. Soc. Am. 64, 1200–1210 (1974).
  2. H. W. Babcock, Publ. Astron. Soc. Pac. 65, 229 (1953); H. W. Babcock, J. Opt. Soc. Am. 48, 500 (1958).
  3. Partial descriptions of these systems may be found in the Digests of Technical Papers for the Topical Meeting on Optical Propagation Turbulence, July 9–11, 1974, Boulder, Colorado, and also for the Topical Meeting on Imaging in Astronomy, June 18–21, 1975, Cambridge, Massachusetts, both sponsored by the Optical Society of America. Additional details (including some further details of this work) will be presented at the S. P. I. E./S. P. S. E. Technical Symposium East, Vol. 75, March 22–23, 1976.
  4. F. J. Dyson, J. Opt. Soc. Am. 65, 551 (1975).
  5. J. L. Gumnick and C. D. Hollish, IEEE Trans. Nucl. Sci. 13, 72 (1966).

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