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Enlarging the angle of view in Michelson-interferometer-based shearography by embedding a 4f system |
Applied Optics, Vol. 50, Issue 21, pp. 3789-3794 (2011)
http://dx.doi.org/10.1364/AO.50.003789
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Abstract
Digital shearography based on Michelson interferometers suffers from the disadvantage of a small angle of view due to the structure. We demonstrate a novel digital shearography system with a large angle of view. In the optical arrangement, the imaging lens is in front of the Michelson interferometer rather than behind it as in traditional digital shearography. Thus, the angle of view is no longer limited by the Michelson interferometer. The images transmitting between the separate lens and camera are accomplished by a
© 2011 Optical Society of America
OCIS Codes
(120.4820) Instrumentation, measurement, and metrology : Optical systems
(120.6160) Instrumentation, measurement, and metrology : Speckle interferometry
ToC Category:
Instrumentation, Measurement, and Metrology
History
Original Manuscript: March 21, 2011
Revised Manuscript: June 1, 2011
Manuscript Accepted: June 3, 2011
Published: July 11, 2011
Citation
Sijin Wu, Xiaoyuan He, and Lianxiang Yang, "Enlarging the angle of view in Michelson-interferometer-based shearography by embedding a 4f system," Appl. Opt. 50, 3789-3794 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-21-3789
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