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Conferences > CLEO > 2001 > CThL > CThL48
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 2001),
  • paper CThL48

Holographic memory using photochromic LiNbO3:Tb.Fe crystals

Myeongkyu Lee, Shunji Takekawa, Yasunori Furukawa, Kenji Kitamura, and Hideki Hatano

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Abstract

Near-stoichiometric LiNb3 crystals have been grown by the top-seeded solution method using the melt containing 59 mol% Li2O and 41 mol% Nb2O5 with 200 ppm Tb4O7 and 100 ppm Fe2O3. A sample (a×b×c = 8×3.1×10 mm3) investigated here was cut from the boule, oriented, and optically polished. The absorption spectrum of as-grown crystal was similar to that of ordinary Fe-doped crystal. However, this doubly-doped crystal exhibited a strong and thermally stable induced absorption band in the visible range when exposed to ultraviolet (UV) light.

© 2001 Optical Society of America

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