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The temperature and light intensity dependence of photorefraction in LiNbO3

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Abstract

In the paper the dependence of the photorefraction (PhR) in LiNbO3 and LiNbO3−Fe (0.1 wt%, 0.3wt%) crystals on light intensity (within 1016–1023 quanta·cm−2·s−1 at wavelengths 496.5 nm and 600 nm) and temperature (in the region 100–500 K) is studied. For all the crystals the limiting values of PhR are similar and atT=293 K Δn limsat ≈3·10−3. In LiNbO3 the temperature dependence of PhR in the range 100–500 K requires to take into account at least two trapping centres.

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Authors and Affiliations

  1. Physics Institute, Latvian SSR Academy of Sciences, SU-229021, Riga, USSR

    P. A. Augstov & K. K. Shvarts

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  1. P. A. Augstov
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  2. K. K. Shvarts
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Augstov, P.A., Shvarts, K.K. The temperature and light intensity dependence of photorefraction in LiNbO3 . Appl. Phys. 21, 191–194 (1980). https://doi.org/10.1007/BF00900683

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