Novel photopolymer material for holographic data storage

Guodong Liu; Qingsheng He; Hongzhen Jin; Minxian Wu; Guofan Jin; Mengquan Shi; Feipeng Wu; Miaozhen Li; Erjian Wang

doi:10.1117/12.483316

17 September 2002 A novel photopolymer material for holographic data storage

Guodong Liu, Qingsheng He, Hongzhen Jin, Minxian Wu, Guofan Jin, Mengquan Shi, Feipeng Wu, Miaozhen Li, Erjian Wang

Proceedings Volume 4930, Advanced Optical Storage Technology; (2002) https://doi.org/10.1117/12.483316
Event: Photonics Asia, 2002, Shanghai, China

Abstract

Most photopolymer materials consist of a photopolymerizable monomer, a photoinitiator and a sensitizer in a polymer binder. During optical exposure, a few photons can initiate a chain reaction of photopolymerizable monomer molecules, which cause a change of the refractive index, forming hologram. In tradition, the refractive index of the monomer is higher than that of the binder, and the magitude of the refractive index modualtion is dependent on the differnce in refractive indices between the binder and the monomer. A novel photopolymer material different from the tradition is presented in this paper, in which the monomer is MMA with the refractive index much lower than that of the binder synthesized from epoxy resin monomer and XDA, so that the material can be conveniently developed into samples with dimension stability and high optical quality and thickness of several millimeters or more. A holographic recoridng medium of 0.8 mm thickness has been fabricated, and the storage characterizations as well as its relative theoretical analysis of its are presented.

Citation Download Citation

Guodong Liu, Qingsheng He, Hongzhen Jin, Minxian Wu, Guofan Jin, Mengquan Shi, Feipeng Wu, Miaozhen Li, and Erjian Wang "A novel photopolymer material for holographic data storage", Proc. SPIE 4930, Advanced Optical Storage Technology, (17 September 2002); https://doi.org/10.1117/12.483316

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