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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

  • Editor: Franco Gori
  • Vol. 30, Iss. 12 — Dec. 1, 2013
  • pp: 2482–2501

Laser tomography adaptive optics: a performance study

Eric Tatulli and A. N. Ramaprakash  »View Author Affiliations


JOSA A, Vol. 30, Issue 12, pp. 2482-2501 (2013)
http://dx.doi.org/10.1364/JOSAA.30.002482


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Abstract

We present an analytical derivation of the on-axis performance of adaptive optics systems using a given number of guide stars of arbitrary altitude, distributed at arbitrary angular positions in the sky. The expressions of the residual error are given for cases of both continuous and discrete turbulent atmospheric profiles. Assuming Shack–Hartmann wavefront sensing with circular apertures, we demonstrate that the error is formally described by integrals of products of three Bessel functions. We compare the performance of adaptive optics correction when using natural, sodium, or Rayleigh laser guide stars. For small diameter class telescopes (5m), we show that a small number of Rayleigh beacons can provide similar performance to that of a single sodium laser, for a lower overall cost of the instrument. For bigger apertures, using Rayleigh stars may not be such a suitable alternative because of the too severe cone effect that drastically degrades the quality of the correction.

© 2013 Optical Society of America

OCIS Codes
(000.3860) General : Mathematical methods in physics
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(140.0140) Lasers and laser optics : Lasers and laser optics

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: July 10, 2013
Revised Manuscript: October 7, 2013
Manuscript Accepted: October 10, 2013
Published: November 8, 2013

Citation
Eric Tatulli and A. N. Ramaprakash, "Laser tomography adaptive optics: a performance study," J. Opt. Soc. Am. A 30, 2482-2501 (2013)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-30-12-2482

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