Chin. Phys. Lett.  2006, Vol. 23 Issue (10): 2782-2785    DOI:
Original Articles |
Holographic and Thermal-Fixing Characteristics of Doubly Doped Zn:Fe:LiNbO3 Crystals
LI Guang-Ming;WAN Yu-Hong;JIANG Zhu-Qing;TAO Shi-Quan
College of Applied Sciences, Beijing University of Technology, Beijing 100022
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LI Guang-Ming, WAN Yu-Hong, JIANG Zhu-Qing et al  2006 Chin. Phys. Lett. 23 2782-2785
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Abstract We perform a comprehensive experimental study on holographic and thermal-fixing characteristics of Zn:Fe:LiNbO3. The measured hologram decay time constants, respectively caused by optical readout and under dark condition, with thermal fixing are 15 times and 75 times longer than that obtained without thermal fixing. This suggests that Zn:Fe:LiNbO3 crystals are suitable for thermal fixing. Multiplexed recordings of 300 holograms using different thermal fixing schemes verify that a proper multiplexing scheme such as track-division thermal-fixing scheme for disc-type holographic storage can effectively compensate for the negative effect of zinc-doping on the dynamic range, thus the storage density is enhanced.
Keywords: 42.70.Ln      42.70.Nq      42.40.Lx     
Published: 01 October 2006
PACS:  42.70.Ln (Holographic recording materials; optical storage media)  
  42.70.Nq (Other nonlinear optical materials; photorefractive and semiconductor materials)  
  42.40.Lx (Diffraction efficiency, resolution, and other hologram characteristics)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I10/02782
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LI Guang-Ming
WAN Yu-Hong
JIANG Zhu-Qing
TAO Shi-Quan
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