20 January 2006 Study of dual-wavelength readout properties in volume holographic storage system
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Proceedings Volume 6027, ICO20: Optical Information Processing; 60274N (2006) https://doi.org/10.1117/12.668422
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China
Dual-wavelength method is a research focus in nonvolatile holographic storage. However, both theoretical analysis and experimental demonstration that nonlinear enlargement is inevitable during dual-wavelength readout. By analyzing the speciality of nonlinear enlarge factor, a method of choosing the suitable retrieving angle is proposed, which can prove the uniform enlarge factor and a least efficiency of 44% at a thin thickness such as 10 um to that of Bragg match. In this paper, At last, a novel scheme which achieves simultaneous dual-wavelength readout of two polarization multiplexed holograms is proposed and demonstrated by the experiment.
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Kexin Chen, Shoujun Luo, Liangcai Cao, Qingsheng He, Guofan Jin, "Study of dual-wavelength readout properties in volume holographic storage system", Proc. SPIE 6027, ICO20: Optical Information Processing, 60274N (20 January 2006); doi: 10.1117/12.668422; https://doi.org/10.1117/12.668422

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