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Optics Letters

Optics Letters


  • Vol. 25, Iss. 12 — Jun. 15, 2000
  • pp: 908–910

Nonvolatile photorefractive holograms in LiNbO3:CuCe crystals

Youwen Liu, Liren Liu, Changhe Zhou, and Liangying Xu  »View Author Affiliations

Optics Letters, Vol. 25, Issue 12, pp. 908-910 (2000)

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We report experimental and theoretical studies of nonvolatile photorefractive holographic recording in LiNbO3:Cu:Ce crystals with two illumination schemes: (1) UV light for sensitization and a red interfering pattern for recording and (2) blue light for sensitization and a red pattern for recording. The results show that the oxidized LiNbO3:Cu:Ce crystals can provide high, persistent refractive-index modulation with weak light-induced scattering. The optimal working conditions and the prescription for doping and oxidation—reduction processing that yields the maximum refractive-index modulation are discussed.

© 2000 Optical Society of America

OCIS Codes
(050.7330) Diffraction and gratings : Volume gratings
(090.2900) Holography : Optical storage materials
(190.5330) Nonlinear optics : Photorefractive optics

Youwen Liu, Liren Liu, Changhe Zhou, and Liangying Xu, "Nonvolatile photorefractive holograms in LiNbO3:CuCe crystals," Opt. Lett. 25, 908-910 (2000)

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