Cross-linked polyurethane with high thermal stability and low optical loss

Xuhua Li; Qiaolong Yuan; Dening Wang; Zhuangqi Cao; Qishun Shen

doi:10.1117/12.481033

29 August 2002 Cross-linked polyurethane with high thermal stability and low optical loss

Xuhua Li, Qiaolong Yuan, Dening Wang, Zhuangqi Cao, Qishun Shen

Proceedings Volume 4905, Materials and Devices for Optical and Wireless Communications; (2002) https://doi.org/10.1117/12.481033
Event: Asia-Pacific Optical and Wireless Communications 2002, 2002, Shanghai, China

Abstract

A novel cross-linked second-order nonlinear optical polyurethane was synthesized from disperse red 19 (DR-19), triethanolamine and the trimer (TTDI) of toluene diisocyanate. The thermal stability of the polyurethane was significantly improved because the trimer had high thermal stability and increased the cross-link degree and the rigidity of the polyurethane. The polyurethane obtained high poling efficiency through a novel "host-guest" approach, and the electro-optical coefficient γ₃₃ reached 37 pm/V at 832 nm. The propagation loss of the polyurethane was lowered because the number density of C-H bonds in the polyurethane was low and the films had good optical quality.

Citation Download Citation

Xuhua Li, Qiaolong Yuan, Dening Wang, Zhuangqi Cao, and Qishun Shen "Cross-linked polyurethane with high thermal stability and low optical loss", Proc. SPIE 4905, Materials and Devices for Optical and Wireless Communications, (29 August 2002); https://doi.org/10.1117/12.481033

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