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Multipoint laser Doppler vibrometry using holographic optical elements and a CMOS digital camera
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Multipoint laser Doppler vibrometry using holographic optical elements and a CMOS digital camera
Connelly, Michael J.; Szecowka, Przemyslaw M.; Jallapuram, Raghavendra; Martin, Suzanne; Toal, Vincent; Whelan, Maurice P.
Date:
2008
Publication:
Optics Letters;33/ 4/ pp. 330-332
Publication type:
Article
Abstract:
A laser Doppler vibrometer (LDV) is described in which holographic optical elements are used to provide the interferometer reference and object illumination beams. A complementary metal-oxide semiconductor camera, incorporating a digital signal processor, is used to carry out real-time signal processing of the interferometer output to allow multipoint LDV to be implemented.
Description:
peer-reviewed
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Aguanno, Mauro V.; Lakestani, Fereydoun; Whelan, Maurice P.; Connelly, Michael J. (Society of Photo-Optical Instrumentation Engineers, 2007)We describe a heterodyne interferometry system based on a complementary metal-oxide semiconductor digital signal processor (CMOS-DSP) camera that is utilized for full-field optical phase measurement using a carrier-based ...
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