摘要 |
<p>An optically transparent material with nonlinear optical characteristics, comprising a highly face-to-face oriented main chain type liquid crystal polymer comprising repeating monomer units represented by the following general formula and having second-order and third-order nonlinear optical susceptibilities, X?(2) and X(3)¿: -(A)¿x?-(B)y- wherein A represents a residue of 6-hydroxy-2-naphthoic acid of formula (I), B represents a residue of 4-hydroxybenzoic acid of formula (II), x falls within the range of 1-99 mole %; and y falls within the range of 99-1 mole %.</p> |