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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 18 — Jun. 20, 2013
  • pp: 4237–4241

Wedge-plate shear for focus-shifting testing in single-shot laser system

Juanning Zhao, Xiaona Dong, Limin Gao, and Hongguang Li  »View Author Affiliations


Applied Optics, Vol. 52, Issue 18, pp. 4237-4241 (2013)
http://dx.doi.org/10.1364/AO.52.004237


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Abstract

A method using a wedge-plate shear shifting system with adjustable accuracy and measuring range is proposed for measuring the focus shifting caused by thermal distortion in a single-shot laser system. Two beam splitter groups are used in this method to precisely split a single beam into multiple beams with different optical path difference. The focus shifting is determined by position change of the minimum spot on the detector. This method is convenient and economic, especially as it powerfully solves the problem of catching focus shifting in an ultrashort time.

© 2013 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.4570) Instrumentation, measurement, and metrology : Optical design of instruments

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: December 6, 2012
Revised Manuscript: May 9, 2013
Manuscript Accepted: May 15, 2013
Published: June 14, 2013

Citation
Juanning Zhao, Xiaona Dong, Limin Gao, and Hongguang Li, "Wedge-plate shear for focus-shifting testing in single-shot laser system," Appl. Opt. 52, 4237-4241 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-18-4237

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