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Conference Paper
Photorefractive Effects, Materials, and Devices
Delavan, Wisconsin United States
July 8, 2001
ISBN: 1-55752-693-1
Adaptive Interferometry (AI)

Speckle Pattern Vibration Detection Using Transverse Photocurrent in Bi12TiO20 and ZnSe Crystals

I. Rocha-Mendoza, A. V. Khomenko, and C. A. Fuentes-Hernandez

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Abstract

We show that applying a dc electric field along the direction of an speckle pattern vibration one can detect an alternating current in transverse direction. We demonstrate the use of the transverse current for adaptive sensing of a rough surface vibration. The experimental results for transverse currents in Bi12TiO20 and ZnSe crystals are presented along with the detailed comparison with the photo-EMF vibration detection using the same crystal samples.

© 2001 Optical Society of America

OCIS Codes
(120.4290) Instrumentation, measurement, and metrology : Nondestructive testing
(120.6160) Instrumentation, measurement, and metrology : Speckle interferometry

Citation
I. Rocha-Mendoza, A. V. Khomenko, and C. A. Fuentes-Hernandez, "Speckle Pattern Vibration Detection Using Transverse Photocurrent in Bi12TiO20 and ZnSe Crystals," in Photorefractive Effects, Materials, and Devices, G. Salamo and A. Siahmakoun, eds., Vol. 62 of OSA Trends in Optics and Photonics (Optical Society of America, 2001), paper 305.
http://www.opticsinfobase.org/abstract.cfm?URI=PEMD-2001-305


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