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Temperature dependence of absorption in photorefractive iron-doped lithium niobate crystals

Panotopoulos, G. and Luennemann, M. and Buse, K. and Psaltis, D. (2002) Temperature dependence of absorption in photorefractive iron-doped lithium niobate crystals. Journal of Applied Physics, 92 (2). pp. 793-796. ISSN 0021-8979. doi:10.1063/1.1486257.

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We present experimental data showing a significant dependence of light absorption on temperature in photorefractive LiNbO3:Fe crystals. The results are successfully explained by assuming that the widths of the Fe2+ absorption bands in the visible and in the infrared spectral region depend on temperature. The findings are of relevance for thermal fixing of holograms. Furthermore, a temperature-induced increase of the infrared absorption is promising for improved infrared recording.

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Additional Information:©2002 American Institute of Physics. (Received 28 January 2002; accepted 23 April 2002) Fruitful discussions with O. F. Schirmer, M. Wo¨hlecke, and Y. Abu-Mostafa are highly appreciated. Financial support by the NSF and DAAD is gratefully acknowledged.
Subject Keywords:lithium compounds; iron; photorefractive materials; impurity absorption spectra; visible spectra; infrared spectra
Issue or Number:2
Record Number:CaltechAUTHORS:PANjap02
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:1768
Deposited By: Archive Administrator
Deposited On:17 Feb 2006
Last Modified:08 Nov 2021 19:42

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