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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 31, Iss. 30 — Oct. 20, 1992
  • pp: 6510–6518

Remote alignment of segmented mirrors with far-field optimization

Naresh C. Mehta and Clinton W. Allen  »View Author Affiliations


Applied Optics, Vol. 31, Issue 30, pp. 6510-6518 (1992)
http://dx.doi.org/10.1364/AO.31.006510


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Abstract

A novel approach for the remote alignment of segmented mirrors is presented. In comparison with conventional methods in which near-field measurements (in the form of displacements between neighboring segments or phase across the mirror) are used in a feedback control system, the far-field optimization method utilizes only attributes of the point-spread function. A figure of merit based on the far-field intensity is used to configure iteratively the segmented mirror to alignment. Following computer simulations, we conduct successful laboratory experiments to validate the far-field optimization concept. The potential utility of far-field optimization to the alignment of other adaptive optical systems and to dynamic wave-front control is briefly discussed.

© 1992 Optical Society of America

History
Original Manuscript: August 23, 1991
Published: October 20, 1992

Citation
Naresh C. Mehta and Clinton W. Allen, "Remote alignment of segmented mirrors with far-field optimization," Appl. Opt. 31, 6510-6518 (1992)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-31-30-6510

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