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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Glenn D. Boreman
  • Vol. 44, Iss. 30 — Oct. 20, 2005
  • pp: 6419–6425

Calibration of a Shack–Hartmann sensor for absolute measurements of wavefronts

Alexander Chernyshov, Uwe Sterr, Fritz Riehle, Jürgen Helmcke, and Johannes Pfund  »View Author Affiliations


Applied Optics, Vol. 44, Issue 30, pp. 6419-6425 (2005)
http://dx.doi.org/10.1364/AO.44.006419


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Abstract

We demonstrate a method with which to calibrate a Shack–Hartmann sensor for absolute wavefront measurement of collimated laser beams. Nearly perfect spherical wavefronts originating from a single-mode fiber were used as references. After the calibration, the uncertainty of the wavefront was less than λ/100 peak to valley across a diameter of 6 mm. For example, this method allowed us to balance aberrations and prepare collimated beams with wavefronts that are plane to λ/500 across 1 mm.

© 2005 Optical Society of America

OCIS Codes
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.5050) Instrumentation, measurement, and metrology : Phase measurement

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: October 4, 2004
Revised Manuscript: May 23, 2005
Manuscript Accepted: June 2, 2005
Published: October 20, 2005

Citation
Alexander Chernyshov, Uwe Sterr, Fritz Riehle, Jürgen Helmcke, and Johannes Pfund, "Calibration of a Shack–Hartmann sensor for absolute measurements of wavefronts," Appl. Opt. 44, 6419-6425 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-30-6419

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