| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a photorefractive material in which the hologram recording performance and multilayer optical recording performance are excellent with respect to short wavelength recording light. <P>SOLUTION: The photorefractive material is characterized by containing a charge generating compound, at least a compound which is a kind of compound out of compounds NL10, NL12, NL15 and NL16 shown in formulas and at least a compound which is a kind of compound out of compounds CT5, CT6, CT32 and CT 34 shown in the formulas. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
