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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 43, Iss. 6 — Feb. 20, 2004
  • pp: 1223–1232

Control and alignment of segmented-mirror telescopes: matrices, modes, and error propagation

Gary Chanan, Douglas G. MacMartin, Jerry Nelson, and Terry Mast  »View Author Affiliations


Applied Optics, Vol. 43, Issue 6, pp. 1223-1232 (2004)
http://dx.doi.org/10.1364/AO.43.001223


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Abstract

Starting from the successful Keck telescope design, we construct and analyze the control matrix for the active control system of the primary mirror of a generalized segmented-mirror telescope, with up to 1000 segments and including an alternative sensor geometry to the one used at Keck. In particular we examine the noise propagation of the matrix and its consequences for both seeing-limited and diffraction-limited observations. The associated problem of optical alignment of such a primary mirror is also analyzed in terms of the distinct but related matrices that govern this latter problem.

© 2004 Optical Society of America

OCIS Codes
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(110.6770) Imaging systems : Telescopes
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(220.1140) Optical design and fabrication : Alignment

History
Original Manuscript: August 12, 2003
Revised Manuscript: November 17, 2003
Published: February 20, 2004

Citation
Gary Chanan, Douglas G. MacMartin, Jerry Nelson, and Terry Mast, "Control and alignment of segmented-mirror telescopes: matrices, modes, and error propagation," Appl. Opt. 43, 1223-1232 (2004)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-43-6-1223

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