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Single-shot dual-illumination phase unwrapping using a single wavelength |
Optics Letters, Vol. 37, Issue 19, pp. 4002-4004 (2012)
http://dx.doi.org/10.1364/OL.37.004002
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Abstract
We propose a single-shot phase unwrapping technique using a single wavelength. In the proposed technique, an object is illuminated by two laser beams, which are emitted from the same laser, whose illumination angles and polarizations are different. Then two types of the object waves generated by the two beams are separately and simultaneously recorded by a polarization imaging camera. We conducted an experiment and a 2.5 mm height object, which was 9400 times height of the wavelength of the laser, was reconstructed without wrapping.
© 2012 Optical Society of America
OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(090.1995) Holography : Digital holography
(110.5086) Imaging systems : Phase unwrapping
ToC Category:
Imaging Systems
History
Original Manuscript: June 21, 2012
Revised Manuscript: August 13, 2012
Manuscript Accepted: August 17, 2012
Published: September 20, 2012
Citation
Tatsuki Tahara, Akifumi Maeda, Yasuhiro Awatsuji, Takashi Kakue, Peng Xia, Kenzo Nishio, Shogo Ura, Toshihiro Kubota, and Osamu Matoba, "Single-shot dual-illumination phase unwrapping using a single wavelength," Opt. Lett. 37, 4002-4004 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-19-4002
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