Published July 15, 2002
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Temperature dependence of absorption in photorefractive iron-doped lithium niobate crystals
Abstract
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.
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.Files
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- 1768
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- CaltechAUTHORS:PANjap02
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