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Proceedings Paper

Anchoring both ends of the chromophore in the side-chain nonlinear optical polymer for improved thermal stability
Author(s): Yongqiang Shi; Peter M. Ranon; William H. Steier; Chengzeng Xu; Bo Wu; Larry Raymond Dalton
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Paper Abstract

We report our study of a second-order nonlinear optical polymer in which the chromophores were first attached at one end to the polymer backbone as side chains and then crosslinked at the other end during electric field poling and thermal curing. The corona poled polymer films showed a sizable second-harmonic generation coefficient d33 of 60 pm/V at 1.064 micrometers fundamental wavelength. The cured polymer film showed long-term stable nonlinearity from room temperature to 90 $DEGC. Improved thermal stability at 125 $DEGC was also obtained. A simple and quick method for measuring the short-term thermal stability of nonlinearity is presented.

Paper Details

Date Published: 16 December 1993
PDF: 11 pages
Proc. SPIE 2025, Nonlinear Optical Properties of Organic Materials VI, (16 December 1993); doi: 10.1117/12.165247
Show Author Affiliations
Yongqiang Shi, Univ. of Southern California (United States)
Peter M. Ranon, Univ. of Southern California (United States)
William H. Steier, Univ. of Southern California (United States)
Chengzeng Xu, Univ. of Southern California (United States)
Bo Wu, Univ. of Southern California (United States)
Larry Raymond Dalton, Univ. of Southern California (United States)


Published in SPIE Proceedings Vol. 2025:
Nonlinear Optical Properties of Organic Materials VI
Gustaaf R. Moehlmann, Editor(s)

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