1 September 2005 Optical properties of a photopolymer film for digital holographic storage
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Abstract
Tir- and mono functional monomers were dispersed in a solution of polysulfone in organic solvent containing a photo initiator and other additives. New photopolymer film was prepared by dispersing acrylic monomer in a polysulfone matrix. The Polysulfone was adopted as a binder since it affords transparent thick films with low dimensional changes during holographic recording. Optical property of the photopolymer showed high diffraction efficiency (>90%) under an optimized optical condition at 532nm laser. The angular selectivity for angular multiplexing page oriented holographic memories (POHMs), the maximum diffraction efficiency of the material during holographic recording, the diffraction efficiency of the films as a function of an incident angle of two beams, exposure energy for saturation of the holographic material and application for holographic data storage will be discussed.
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Changwon Shin, Junghoi Kim, Nam Kim, Hyojin Lee, Eunkyoung Kim, "Optical properties of a photopolymer film for digital holographic storage", Proc. SPIE 5939, Organic Holographic Materials and Applications III, 59390N (1 September 2005); doi: 10.1117/12.616616; https://doi.org/10.1117/12.616616
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