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Proceedings Paper

Dynamic properties of inhomogeneous heating-induced polar states in noncentrosymmetric crystals
Author(s): V. F. Kosorotov; Ivan V. Blonskij; Ludmila V. Shchedrina
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Paper Abstract

Dynamic properties of polar states initiated by inhomogeneous heating of crystals in all 20 piezoelectric classes are studied. Production mechanisms of the primary, secondary and tertiary polarization components under nonequilibrium thermal conditions are discussed. Inertial properties of induced polar states along with external factors is demonstrated to govern inertial properties of sensors operating on the tertiary pyroelectric effect. Possible inertia mechanisms of the tertiary pyroelectric effect associated with flexure, high- frequency vibrations of the crystal plate as well as a heat diffusion in it are analyzed theoretically and experimentally extensively. The conditions for a correct measurement of temporal and energy characteristics of a laser radiation are determined.

Paper Details

Date Published: 22 February 2001
PDF: 9 pages
Proc. SPIE 4355, Fifth International Conference on Material Science and Material Properties for Infrared Optoelectronics, (22 February 2001); doi: 10.1117/12.417766
Show Author Affiliations
V. F. Kosorotov, Institute of Physics (Ukraine)
Ivan V. Blonskij, Institute of Physics (Ukraine)
Ludmila V. Shchedrina, Institute of Physics (Ukraine)


Published in SPIE Proceedings Vol. 4355:
Fifth International Conference on Material Science and Material Properties for Infrared Optoelectronics
Fiodor F. Sizov, Editor(s)

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