We demonstrate experimentally a new technique for measuring unambiguously the surface displacement of a vibrating surface, independent of speckles and power fluctuations, using a high sensitivity pulsed laser vibrometer based on the photo-electromotive-force (photo-EMF) sensors.
© 2007 OSA
(090.0090) Holography : Holography
(090.2880) Holography : Holographic interferometry
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.7280) Instrumentation, measurement, and metrology : Vibration analysis
Z. Chen, J. Khurgin, P. Rodriguez, J. Lorenzo, S. Trivedi, F. Jin, C. Wang, B. Libbey, and J. Habersat, "Absolute Surface Displacement Measurement Using Pulsed Photo-Electromotive-Force Laser Vibrometer," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper JThD50.
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