| 摘要 |
PROBLEM TO BE SOLVED: To provide a photosensitive composition for volume hologram recording with large modulation quantity of the refractive index, for obtaining a volume hologram having controlled diffraction efficiency and half width as desired. SOLUTION: The photosensitive composition for volume hologram recording comprises a binder resin, a photopolymerizable compound, a photoinitiator, and a sensitizer. The binder resin has 10,000 to 350,000 average molecular weight and≥80°C glass transition temperature. The volume hologram obtained by using the composition shows≤20 nm half-value width of the diffraction spectrum and≥0.03 refractive index modulation amount. COPYRIGHT: (C)2005,JPO&NCIPI
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