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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 11, Iss. 21 — Oct. 20, 2003
  • pp: 2783–2790

Analysis of the signal-to-noise ratio in the optical differentiation wavefront sensor

José E. Oti, Vidal F. Canales, and Manuel P. Cagigal  »View Author Affiliations


Optics Express, Vol. 11, Issue 21, pp. 2783-2790 (2003)
http://dx.doi.org/10.1364/OE.11.002783


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Abstract

High resolution wavefront sensors are devices with a great practical interest since they are becoming a key part in an increasing number of applications like extreme Adaptive Optics. We describe the optical differentiation wavefront sensor, consisting of an amplitude mask placed at the intermediate focal plane of a 4-f setup. This sensor offers the advantages of high resolution and adjustable dynamic range. Furthermore, it can work with polychromatic light sources. In this paper we show that, even in adverse low-light-level conditions, its SNR compares quite well to that corresponding to the Hartmann-Shack sensor.

© 2003 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
(070.2580) Fourier optics and signal processing : Paraxial wave optics

ToC Category:
Research Papers

History
Original Manuscript: September 19, 2003
Revised Manuscript: October 15, 2003
Published: October 20, 2003

Citation
Jose Oti, Vidal Canales, and Manuel Cagigal, "Analysis of the signal-to-noise ratio in the optical differentiation wavefront sensor," Opt. Express 11, 2783-2790 (2003)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-11-21-2783


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