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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 34 — Dec. 1, 2013
  • pp: 8310–8317

Reconstruction-free sensitive wavefront sensor based on continuous position sensitive detectors

Thomas Godin, Michael Fromager, Emmanuel Cagniot, Marc Brunel, and Kamel Aït-Ameur  »View Author Affiliations


Applied Optics, Vol. 52, Issue 34, pp. 8310-8317 (2013)
http://dx.doi.org/10.1364/AO.52.008310


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Abstract

We propose a new device that is able to perform highly sensitive wavefront measurements based on the use of continuous position sensitive detectors and without resorting to any reconstruction process. We demonstrate experimentally its ability to measure small wavefront distortions through the characterization of pump-induced refractive index changes in laser material. In addition, it is shown using computer-generated holograms that this device can detect phase discontinuities as well as improve the quality of sharp phase variations measurements. Results are compared to reference Shack–Hartmann measurements, and dramatic enhancements are obtained.

© 2013 Optical Society of America

OCIS Codes
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(140.3295) Lasers and laser optics : Laser beam characterization

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: September 25, 2013
Manuscript Accepted: October 22, 2013
Published: November 25, 2013

Citation
Thomas Godin, Michael Fromager, Emmanuel Cagniot, Marc Brunel, and Kamel Aït-Ameur, "Reconstruction-free sensitive wavefront sensor based on continuous position sensitive detectors," Appl. Opt. 52, 8310-8317 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-34-8310

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