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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 9 — May. 2, 2005
  • pp: 3491–3499

Common path interferometric wavefront sensor for extreme adaptive optics

Gordon D. Love, Thomas J. D. Oag, and Andrew K. Kirby  »View Author Affiliations

Optics Express, Vol. 13, Issue 9, pp. 3491-3499 (2005)

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We describe a method of implementing a common-path phase-shifting point diffraction interferometric wavefront sensor suitable for extreme adaptive optics. The sensor simultaneously gives two phase-shifted outputs which can be used to drive a phase-only wavefront corrector. The device can also give a null output which can be used to calibrate any scintillation. Simulations are performed showing the utility of the device and experimental results of a high speed single channel closed loop system are presented.

© 2005 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(350.1260) Other areas of optics : Astronomical optics

ToC Category:
Research Papers

Original Manuscript: March 15, 2005
Revised Manuscript: April 19, 2005
Published: May 2, 2005

Gordon Love, Thomas Oag, and Andrew Kirby, "Common path interferometric wavefront sensor for extreme adaptive optics," Opt. Express 13, 3491-3499 (2005)

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