| abstract |
The present invention provides a photosensitive composition for volume hologram recording, comprising the following components: (A) a cationic polymerizable compound and a radical polymerizable compound, (B) a cationic polymerization initiating material, and (C) a radical polymerization initiating material, as an essential component, wherein at least one of the cationic polymerizable compound and radical polymerizable compound of the component contains a siloxane group, and a difference in refractive index between the cationic polymerizable compound and radical polymerizable compound is not less than 0.01. |