Real-time heterodyne imaging interferometry: focal-plane amplitude and phase demodulation using a three-phase correlation image sensor
Applied Optics, Vol. 46, Issue 1, pp. 87-94 (2007)
http://dx.doi.org/10.1364/AO.46.000087
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Abstract
A method of real-time heterodyne imaging interferometry using a three-phase correlation image sensor (3PCIS) is proposed. It simultaneously demodulates the amplitude and phase images of an incident interference pattern at an ordinary frame rate with good accuracy, thus overcoming the trade-off among measurement time, spatial resolution, and demodulation accuracy suffered in conventional interferometry. An experimental system is constructed with a
© 2007 Optical Society of America
OCIS Codes
(040.1240) Detectors : Arrays
(040.2840) Detectors : Heterodyne
(100.2550) Image processing : Focal-plane-array image processors
(110.2970) Imaging systems : Image detection systems
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
ToC Category:
Interferometry
History
Original Manuscript: May 22, 2006
Revised Manuscript: August 28, 2006
Manuscript Accepted: September 8, 2006
Citation
Akira Kimachi, "Real-time heterodyne imaging interferometry: focal-plane amplitude and phase demodulation using a three-phase correlation image sensor," Appl. Opt. 46, 87-94 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-1-87
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