EXCEPTIONALLY THERMALLY STABLE POLYIMIDES FOR 2ND-ORDER NONLINEAR-OPTICAL APPLICATIONS

被引：236

作者：

VERBIEST, T ^{[1
]}

BURLAND, DM ^{[1
]}

JURICH, MC ^{[1
]}

LEE, VY ^{[1
]}

MILLER, RD ^{[1
]}

VOLKSEN, W ^{[1
]}

机构：

[1] IBM CORP, ALMADEN RES CTR, SAN JOSE, CA 95120 USA

来源：

SCIENCE | 1995年 / 268卷 / 5217期

关键词：

D O I：

10.1126/science.268.5217.1604

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The thermal stability of the electric field induced poled order in a new class of second-order optically nonlinear polymers, ''donor-imbedded'' side-chain polyimides containing no flexible connectors or tethers to the nonlinear optical (NLO) chromophore, is investigated. In these polymers, the electron-donor part of the chromophore is a diaryl-substituted amine that is incorporated as a part of the polymer backbone. The donor-imbedded systems used in this study have exceptional chemical stabilities at elevated temperatures (350 degrees C) and impressive poled order stability at extremely high temperatures (300 degrees C). In both respects, they were significantly more stable than a true side-chain polyimide with a similar NLO-active chromophore covalently linked to the polymer backbone by a flexible tether group.

引用

页码：1604 / 1606

页数：3

共 22 条

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