摘要 |
<P>PROBLEM TO BE SOLVED: To provide a holographic medium that develops at room temperature only under coherent radiation and does not require any thermal or chemical aftertreatment. <P>SOLUTION: Glycidyl ether acrylate urethanes are used as writing monomers; and the monomers are incorporated into a polymer composition containing a binder system. <P>COPYRIGHT: (C)2010,JPO&INPIT |