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Photorefractive recording in LiNbO3:Mn

Yang, Yunping and Buse, Karsten and Psaltis, Demetri (2002) Photorefractive recording in LiNbO3:Mn. Optics Letters, 27 (3). pp. 158-160. ISSN 0146-9592.

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The dynamic range, sensitivity, and dark decay of holographic recording of wavelength 458nm in LiNbO3 crystals doped with 0.2-at.% Mn with different oxidation states have been measured. The measured sensitivity is 0.5 cm/J and is found to be independent of the oxidation state, and the largest M/# obtained is 12/mm (extraordinary light polarization; light wavelength, 458nm). This combination of very large M/# and high sensitivity is in strong contrast with results for LiNbO3:Fe for which a direct trade-off exists between M/# and sensitivity. The activation energy of the dark decay of holograms stored in these LiNbO3:Mn crystals is 1.0 eV , which is characteristic of proton compensation and leads to a projected lifetime of holograms of three years at room temperature.

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Additional Information:© Copyright 2002 Optical Society of America Received October 3, 2001 This effort was sponsored by the National Science Foundation (NSF), the Engineering Research Center for Neuromorphic Systems Engineering, and the Defense Advanced Research Projects Agency. The authors thank the NSF and the Deutscher Akademischer Austauschdienst for sponsoring the U.S.–German collaboration. We thank Ingo Nee for fruitful discussions.
Subject Keywords:Holographic recording materials; Volume holographic gratings; Lithium niobate; Optical data storage; Optical storage-recording materials
Issue or Number:3
Record Number:CaltechAUTHORS:YANol02
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2979
Deposited By: Archive Administrator
Deposited On:10 May 2006
Last Modified:02 Oct 2019 22:58

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