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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 22, Iss. 3 — Mar. 1, 2005
  • pp: 539–545

Polarimetric calibration of large-aperture telescopes. I. Beam-expansion method

Hector Socas-Navarro  »View Author Affiliations


JOSA A, Vol. 22, Issue 3, pp. 539-545 (2005)
http://dx.doi.org/10.1364/JOSAA.22.000539


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Abstract

A concept is described for the high-accuracy absolute calibration of the instrumental polarization introduced by the primary mirror of a large-aperture telescope. This procedure requires a small aperture with polarization-calibration optics (e.g., mounted on the dome) followed by a lens that opens the beam to illuminate the entire surface of the mirror. The Jones matrix corresponding to this calibration setup (with a diverging incident beam) is related to that of the normal observing setup (with a collimated incident beam) by an approximate correction term. Numerical models of parabolic on-axis and off-axis mirrors with surface imperfections are used to explore the accuracy of the procedure.

© 2005 Optical Society of America

OCIS Codes
(120.2130) Instrumentation, measurement, and metrology : Ellipsometry and polarimetry
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(350.1260) Other areas of optics : Astronomical optics

History
Original Manuscript: August 3, 2004
Manuscript Accepted: September 21, 2004
Published: March 1, 2005

Citation
Hector Socas-Navarro, "Polarimetric calibration of large-aperture telescopes. I. Beam-expansion method," J. Opt. Soc. Am. A 22, 539-545 (2005)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-22-3-539


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References

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