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Proceedings Paper

UV-enhanced photorefractive sensitivity in Mn,Ce:LiNbO3
Author(s): Ki-Soo Lim; Bok-Mi Kim; Joong-Pyo Kim; Lambertus Hesselink; Ratnakar R. Neurgaonkar
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Paper Abstract

We report enhanced photorefractive sensitivity in Mn, Ce doped LiNbO3 at 514 nm and 633 nm under ultraviolet illumination at 365 nm. Without ultraviolet sensitization, the crystal showed very weak diffraction efficiency and self-erased behavior. The accumulation of charged states by ultraviolet light is observed even after the hologram is erased because of the asymmetric process of recording and reading. The concentrations of doped ions and the intensity ratio of ultraviolet and recording light are important factors to improve sensitivity in this material.

Paper Details

Date Published: 19 October 2000
PDF: 8 pages
Proc. SPIE 4110, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VI, (19 October 2000); doi: 10.1117/12.404793
Show Author Affiliations
Ki-Soo Lim, Chungbuk National Univ. (South Korea)
Bok-Mi Kim, Chungbuk National Univ. (South Korea)
Joong-Pyo Kim, Chungbuk National Univ. (South Korea)
Lambertus Hesselink, Stanford Univ. (United States)
Ratnakar R. Neurgaonkar, Rockwell Science Ctr. (United States)


Published in SPIE Proceedings Vol. 4110:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VI
Shizhuo Yin; Francis T. S. Yu, Editor(s)

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