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Three-dimensional displacement measurement for diffuse object using phase-shifting digital holography with polarization imaging camera |
Applied Optics, Vol. 50, Issue 34, pp. H189-H194 (2011)
http://dx.doi.org/10.1364/AO.50.00H189
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Abstract
The amount of displacement of a diffused object can be measured using phase-shifting digital holography with a polarization imaging camera. Four digital holograms in quadrature are extracted from the polarization imaging camera and used to calculate the phase hologram. Two Fourier transforms of the phase holograms are calculated before and after the displacement of the object. A phase slope is subsequently obtained from the phase distribution of division between the two Fourier transforms. The slope of the phase distribution is proportional to the lateral displacement of the object. The sensitivity is less than one pixel size in the lateral direction of the movement. The longitudinal component of the displacement can be also measured separately from the intercept on the phase axis along the phase distribution of the division between two Fourier transforms of the phase holograms.
© 2011 Optical Society of America
OCIS Codes
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.2880) Instrumentation, measurement, and metrology : Holographic interferometry
(120.3940) Instrumentation, measurement, and metrology : Metrology
ToC Category:
Mesurement
History
Original Manuscript: August 2, 2011
Revised Manuscript: October 27, 2011
Manuscript Accepted: November 2, 2011
Published: December 1, 2011
Virtual Issues
Digital Holography and 3D Imaging 2011 (2011) Applied Optics
Citation
Tomohiro Kiire, Suezou Nakadate, Masato Shibuya, and Toyohiko Yatagai, "Three-dimensional displacement measurement for diffuse object using phase-shifting digital holography with polarization imaging camera," Appl. Opt. 50, H189-H194 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-34-H189
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