Anchoring both ends of the chromophore in the side-chain nonlinear optical polymer for improved thermal stability

Yongqiang Shi; Peter M. Ranon; William H. Steier; Chengzeng Xu; Bo Wu; Larry Raymond Dalton

doi:10.1117/12.165247

16 December 1993 Anchoring both ends of the chromophore in the side-chain nonlinear optical polymer for improved thermal stability

Yongqiang Shi, Peter M. Ranon, William H. Steier, Chengzeng Xu, Bo Wu, Larry Raymond Dalton

Author Affiliations +

Proceedings Volume 2025, Nonlinear Optical Properties of Organic Materials VI; (1993) https://doi.org/10.1117/12.165247
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

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.

Citation Download Citation

Yongqiang Shi, Peter M. Ranon, William H. Steier, Chengzeng Xu, Bo Wu, and Larry Raymond Dalton "Anchoring both ends of the chromophore in the side-chain nonlinear optical polymer for improved thermal stability", Proc. SPIE 2025, Nonlinear Optical Properties of Organic Materials VI, (16 December 1993); https://doi.org/10.1117/12.165247

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