Structural, dielectric, and optical properties of PT/PEK-c electro-optic polymer films

Quan Ren; Zhigang Wang; Dong Xu; Shiyi Guo; Guanghui Zhang; Fanqing Meng; Duorong Yuan

doi:10.1117/12.318231

14 August 1998 Structural, dielectric, and optical properties of PT/PEK-c electro-optic polymer films

Quan Ren, Zhigang Wang, Dong Xu, Shiyi Guo, Guanghui Zhang, Fanqing Meng, Duorong Yuan

Proceedings Volume 3556, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications II; (1998) https://doi.org/10.1117/12.318231
Event: Photonics China '98, 1998, Beijing, China

Abstract

A new electro-optic polymer film PT/PEK-c has been prepared and investigated. This kind of film, especially c-axis oriented one, possesses good nonlinear optical properties. The structure of the film after poling was analyzed by x-ray diffraction. The result showed that the film was c-axis oriented. The transmittance of a 2.33-micrometer-thick film was measured in the wavelength range 320 to approximately 900 nm by means of a recording spectrophotometer. The transmittance of the film exhibited a sharp absorption edge at 360 nm. The optical band gap of the film was found to be 3.06 eV. The dielectric properties of PT/PEK-c film were investigated in terms of the dielectric constant (epsilon) _r and the loss factor tg(delta) . They were measured by a capacitance bridge in the frequency range 1 X 10² approximately 3 X 10⁶ Hz. The dielectric constant and the loss factor of a 2.33-micrometer-thick film at room temperature and 10 kHz frequency were determined to be 4.023 and 0.003, respectively.

Citation Download Citation

Quan Ren, Zhigang Wang, Dong Xu, Shiyi Guo, Guanghui Zhang, Fanqing Meng, and Duorong Yuan "Structural, dielectric, and optical properties of PT/PEK-c electro-optic polymer films", Proc. SPIE 3556, Electro-Optic and Second Harmonic Generation Materials, Devices, and Applications II, (14 August 1998); https://doi.org/10.1117/12.318231

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