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Proceedings Paper

Dynamic holographic interferometry in IR and visible range in semiconductor crystals for acoustical sensing (modeling and experimental realization)
Author(s): N. Kukhtarev; T. Kukhtareva; P. Land; J. C. Wang; T. Murray; Yu. P. Gnatenko; I. O. Faryna; P. M. Bukivskij; O. A. Shigiltchoff; A. Grabar
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Paper Abstract

We will describe optical and electrical effects in photorefractive materials- in semiconductors and semiconductor-ferroelectric crystals. Double-functional (optical and electrical) interferometer was realized using holographic recording of dynamic gratings in the semiconductor crystal of CdTe: V. Two mechanisms of holographic phase grating recording is considered: electro-optic effect (relatively slow, in microsecond) and free-carrier gratings {Drude-Lorentz nonlinearity, fast response in nanoseconds). Fast optical response, based on Drude-Lorentz nonlinearity (also called plasma nonlinearity) play essential role in the surface- plasmon resonance phenomena.

Paper Details

Date Published: 24 April 2008
PDF: 11 pages
Proc. SPIE 7003, Optical Sensors 2008, 70030Z (24 April 2008); doi: 10.1117/12.783009
Show Author Affiliations
N. Kukhtarev, Alabama A&M Univ. (United States)
T. Kukhtareva, Alabama A&M Univ. (United States)
P. Land, Alabama A&M Univ. (United States)
J. C. Wang, Alabama A&M Univ. (United States)
T. Murray, Boston Univ. (United States)
Yu. P. Gnatenko, Institute of Physics (Ukraine)
I. O. Faryna, Institute of Physics (Ukraine)
P. M. Bukivskij, Institute of Physics (Ukraine)
O. A. Shigiltchoff, Institute of Physics (Ukraine)
A. Grabar, Uzhgorod National Univ. (Ukraine)

Published in SPIE Proceedings Vol. 7003:
Optical Sensors 2008
Francis Berghmans; Anna Grazia Mignani; Antonello Cutolo; Patrick P. Meyrueis; Thomas P. Pearsall, Editor(s)

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