Experimental study of properties of two-center nonvolatile holographic recording in LiNbO3:Cu:Ce crystals

Youwen Liu; Liren Liu; Changhe Zhou; De'an Liu; Jing Xu; Liangying Xu

doi:10.1117/12.454023

23 January 2002 Experimental study of properties of two-center nonvolatile holographic recording in LiNbO₃:Cu:Ce crystals

Youwen Liu, Liren Liu, Changhe Zhou, De'an Liu, Jing Xu, Liangying Xu

Author Affiliations +

Proceedings Volume 4459, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VII, and Optical Data Storage; (2002) https://doi.org/10.1117/12.454023
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

Nonvolatile holograms were recorded by using a long wavelength of 633 nm (He-Ne laser) for recording and a short wavelength of 458 nm (Argon ion laser) for sensitizing in double doped LiNbO₃:Cu:Ce crystals. The sensitizing light increases the recording sensitivity by a - bexp(-I_s/c) and saturation behavior will appear with high enough intensity of sensitizing light. The recording light increases the slope of (eta) ^1/2 as a function of time during the initial stages of hologram formation by sublinear I_r^x (x < 1) and thus the recording light decreases the recording sensitivity. The dependence of saturation diffraction efficiency on the intensities of the recording and sensitizing light shows that there is a maximum dynamic range of the recording process.

Citation Download Citation

Youwen Liu, Liren Liu, Changhe Zhou, De'an Liu, Jing Xu, and Liangying Xu "Experimental study of properties of two-center nonvolatile holographic recording in LiNbO₃:Cu:Ce crystals", Proc. SPIE 4459, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications VII, and Optical Data Storage, (23 January 2002); https://doi.org/10.1117/12.454023

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