Photosensitive composition for volume hologram recording

Details Photosensitive composition for volume hologram recording Photosensitive composition for volume hologram recording

G - Physics

03

F

G03F 7/031 (2006.01) C08F 2/50 (2006.01) G03F 7/00 (2006.01) G03F 7/029 (2006.01) G03F 7/032 (2006.01) G03F 7/038 (2006.01) G03H 1/04 (2006.01) G03H 1/22 (2006.01)

Patent

CA 2066077

ABSTRACT OF THE DISCLOSURE Disclosed is a photosensitive composition for volume hologram recording which is used for recording an interference fringe produced by a laser beam or a light having excellent coherence, as fringes having different refractive index. The composition comprising: (a) a cationic polymerizable compound which is liquid at ambient temperature; (b) a radical polymerizable compound; (c) a radical photopolymerization initiator composition sensitized by a laser beam or a light having excellent coherence which has a specific wavelength to polymerize the ingredient (b); and (d) a cationic photopolymerization initiator composition which shows low photosensitivity to the light having a specific wavelength and is sensitized by a light having the other wavelength to polymerize the ingredient (a), wherein an average refractive index of the ingredient (a) is smaller than that of the ingredient (b). A process for producing the photosensitive composition is also disclosed. -37-

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