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Proceedings Paper

Temperature dependences of optical absorption and its light-induced changes in sillenite crystals
Author(s): S. M. Shandarov; L. E. Polyakova; A. E. Mandel; M. G. Kisteneva; J. Vidal; Yu. F. Kargin; A. V. Egorysheva
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Paper Abstract

Results of experimental investigations of temperature dependences of optical absorption coefficients and their light-induced changes for Bi12SiO20, Bi12TiO20:Zn, and Bi12TiO2:Ca crystals are presented. Semiconductor light diodes emitting quasimonochromatic radiation in red (625 nm), yellow (570 nm), green (505 and 515 nm), and blue (470 nm) ranges of the spectrum were used as light sources. A theoretical model of thermal- and light-induced changes in the optical absorption is considered that describes well the observed temperature dependences of the optical absorption for the Bi12SiO20 and Bi12TiO20:Ca crystals and the dynamics of light-induced changes in light absorption for the Bi12TiO2:Ca crystal at a wavelength of 470 nm and temperatures in the interval from 24 to 100°C.

Paper Details

Date Published: 5 March 2007
PDF: 8 pages
Proc. SPIE 6595, Fundamental Problems of Optoelectronics and Microelectronics III, 65950Y (5 March 2007); doi: 10.1117/12.725709
Show Author Affiliations
S. M. Shandarov, Tomsk State Univ. of Control Systems and Radioelectronics (Russia)
L. E. Polyakova, Tomsk State Univ. of Control Systems and Radioelectronics (Russia)
A. E. Mandel, Tomsk State Univ. of Control Systems and Radioelectronics (Russia)
M. G. Kisteneva, Tomsk State Univ. of Control Systems and Radioelectronics (Russia)
J. Vidal, Tomsk State Univ. of Control Systems and Radioelectronics (Russia)
Yu. F. Kargin, N.S. Kurnakov Institute of General and Inorganic Chemistry (Russia)
A. V. Egorysheva, N.S. Kurnakov Institute of General and Inorganic Chemistry (Russia)


Published in SPIE Proceedings Vol. 6595:
Fundamental Problems of Optoelectronics and Microelectronics III

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