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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 34, Iss. 22 — Aug. 1, 1995
  • pp: 4951–4964

Phase-retrieval analysis of pre- and post-repair Hubble Space Telescope images

John E. Krist and Christopher J. Burrows  »View Author Affiliations


Applied Optics, Vol. 34, Issue 22, pp. 4951-4964 (1995)
http://dx.doi.org/10.1364/AO.34.004951


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Abstract

Phase-retrieval measurements of point-spread functions from the pre- and post-repair Hubble Space Telescope are presented. The primary goal was to determine the aberrations present in the second wide-field and planetary camera (WFPC2) to align and validate its corrective optics. With both parametric model-fitting techniques and iterative (Gerchberg–Saxton) methods, accurate measurements have been obtained of the WFPC2 and Hubble Space Telescope optics, including improved maps of the zonal errors in the mirrors. Additional phase-retrieval results were obtained for the aberrated, prerepair cameras and the corrected faint-object camera. The information has been used to improve models produced by point-spread-function simulation programs. On the basis of the measurements a conic constant for the primary mirror of κ = −1.0144 has been derived.

© 1995 Optical Society of America

History
Original Manuscript: July 25, 1994
Revised Manuscript: October 31, 1994
Published: August 1, 1995

Citation
John E. Krist and Christopher J. Burrows, "Phase-retrieval analysis of pre- and post-repair Hubble Space Telescope images," Appl. Opt. 34, 4951-4964 (1995)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-34-22-4951

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