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Light-induced absorption in photorefractive strontium barium niobate

Orlov, Sergei and Segev, Mordechai and Yariv, Amnon and Neurgaonkar, Ratnakar R. (1994) Light-induced absorption in photorefractive strontium barium niobate. Optics Letters, 19 (17). pp. 1293-1295. ISSN 0146-9592.

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Sr0.59Bao.41Nb2O6 and Sro.75Bao.25Nb2O6 exhibit an intensity-dependent absorption in the visible spectral range. We perform pump (green)-probe (red) measurements and find variation as high as 0.45 cm-' in the absorption coefficient, which depends significantly on the polarization of the probe light beam. Our results indicate a nonexponential dark decay time of the induced absorption and suggest that the trapping potential of the shallow traps varies significantly from one trap to another (multiple isolated shallow traps).

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Additional Information:© 1994 Optical Society of America Received February 10, 1994 This research was sponsored by the U.S. Army Research Projects Agency.
Issue or Number:17
Record Number:CaltechAUTHORS:ORLol94a
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2930
Deposited By: Archive Administrator
Deposited On:07 May 2006
Last Modified:02 Oct 2019 22:58

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