| 摘要 |
<p>This invention provides a novel class of polyacetylenic compositions</p><p>illustrative of the invention is a liquid crystalline polymer characterized by the repeating unit:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="48" wi="41" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>In the form of an optically transparent substrate, the polymer exhibits exceptional nonlinear third-order susceptibility effects.</p> |
