Study on the synthesis and optical properties of polyurethane-imide

Long-De Wang; Tong Zhang; Xiao-Yang Zhang; Ruo-Zhou Li; Lu-Ning Wang; Sheng-Qing Zhu

doi:10.1117/12.976045

16 October 2012 Study on the synthesis and optical properties of polyurethane-imide

Long-De Wang, Tong Zhang, Xiao-Yang Zhang, Ruo-Zhou Li, Lu-Ning Wang, Sheng-Qing Zhu

Proceedings Volume 8416, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 84160H (2012) https://doi.org/10.1117/12.976045
Event: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), 2012, Xiamen, China

Abstract

In this paper, Polyurethane-imide (PUI) which has the advantages of polyurethane and polyimide is synthesized and introduced to apply in the slab optical waveguide devices. The PUI is characterized by infrared spectrum (FT-IR), differential scanning calorimeter (DSC) and thermal gravimetric analysis (TGA). Slab optical waveguide is prepared via spin coating the cyclopentanone solution of PUI on top of K9 glass and cured at 140 °C for 20 minutes to complete removal of the solvent from the film. The film-formability of PUI is characterized by atomic force microscope (AFM). The results of DSC and TGA indicate that the PUI exhibits high thermal stability up to its glass-transition temperature (Tg) of 206 °C and 10% heat loss temperature of 310°C. Optical properties of absorption behavior and propagation loss are investigated in slab waveguides, and propagation loss of 1.782 dB/cm at 1310nm in TE (transverse electric field) mode has been achieved by using prism-coupler method. The results show that polyurethane-imide has distinct merits: good processability, high thermal stability and moderate glass-transition temperature, excellent film-formability, and low propagation loss. These advantages of polyurethane-imides make them suitable as electro-optic polymeric materials in integrated optics.

Citation Download Citation

Long-De Wang, Tong Zhang, Xiao-Yang Zhang, Ruo-Zhou Li, Lu-Ning Wang, and Sheng-Qing Zhu "Study on the synthesis and optical properties of polyurethane-imide", Proc. SPIE 8416, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 84160H (16 October 2012); https://doi.org/10.1117/12.976045

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KEYWORDS

Polymers

Nonlinear optics

Absorption

Waveguides

Electro optics

Optical properties

Wave propagation

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