| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a material exhibiting outstanding photorefractive effect by obtaining a nonlinear optical compound which has enhanced molecular orientation effect and which does not crystallize. <P>SOLUTION: The photorefractive material is the nonlinear optical compound expressed by a formula (A), (m is 2 or 3), and which is used as a nonlinear optical material. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p> |
