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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 15 — May. 20, 2002
  • pp: 2809–2817

Determination of beam parameters and coherence properties of laser radiation by use of an extended Hartmann-Shack wave-front sensor

Bernd Schäfer and Klaus Mann  »View Author Affiliations


Applied Optics, Vol. 41, Issue 15, pp. 2809-2817 (2002)
http://dx.doi.org/10.1364/AO.41.002809


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Abstract

A combination of a Hartmann-Shack sensor and a standard far-field measurement on one single detector is proposed. The technique is fast and operates without movable parts, thus permitting a compact design. It is not only suited for characterization of the wave-front distribution but may also be considered for determination of the important parameters of beam width, beam divergence, and beam propagation ratio M2 of partially coherent laser beams. First results indicate that a fairly thorough beam characterization, including spatial coherence, propagation characteristics, and beam quality, can be achieved with this method.

© 2002 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(120.5050) Instrumentation, measurement, and metrology : Phase measurement

History
Original Manuscript: August 17, 2001
Revised Manuscript: December 4, 2001
Published: May 20, 2002

Citation
Bernd Schäfer and Klaus Mann, "Determination of beam parameters and coherence properties of laser radiation by use of an extended Hartmann-Shack wave-front sensor," Appl. Opt. 41, 2809-2817 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-15-2809

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