Terahertz spectroscopic properties of cross-linked polystyrene

Liang Jianfeng; Cui Gangqiang; Chang Chao; Zhao Hongwei; Ren Guanhua; Zhang Jianbing; Liu Wenyuan; Tu Min

doi:10.11884/HPLPB201729.170118

Volume 29 Issue 10

Oct. 2017

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Article Navigation > High Power Laser and Particle Beams > 2017 > 29(10): 103101

Zhang Xuehai, Wei Heli, Dai Congming, et al. A Study of scattering properties of fly ash aerosols: comparison of laboratory and Lorenz-Mie results[J]. High Power Laser and Particle Beams, 2015, 27: 071004. doi: 10.11884/HPLPB201527.071004

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Liang Jianfeng, Cui Gangqiang, Chang Chao, et al. Terahertz spectroscopic properties of cross-linked polystyrene[J]. High Power Laser and Particle Beams, 2017, 29: 103101. doi: 10.11884/HPLPB201729.170118

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Terahertz spectroscopic properties of cross-linked polystyrene

doi: 10.11884/HPLPB201729.170118

1.
Northwest Institute of Nuclear Technology,Xi’an 710024,China;
2.
Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China;
3.
College of Precision Instrument and Optoelectronics Engineering,Tianjin University,Tianjin 300072,China

Received Date: 2017-04-14
Rev Recd Date: 2017-06-09
Publish Date: 2017-10-15

Abstract

Abstract

Cross-linked polystyrene is a kind of thermosetting plastic with excellent dielectric properties and high breakdown voltage. We measured the terahertz spectra of cross-linked polystyrene and polystyrene using THz-TDS based on THz-ABCD(air biased coherent detector), and the absorption coefficients and refractive indexes in the range of 2-13 THz were obtained. The terahertz spectra of cross-linked polystyrene and polystyrene were similar, and there existed several absorption peaks such as 6.6 THz, 9.8 THz and 12.25 THz, the absorption coefficient of cross-linked polystyrene was higher than that of polystyrene below 12 THz but lower above 12 THz, the refractive index of cross-linked polystyrene (1.59-1.62) was higher than that of polystyrene (1.58-1.59).
- cross-linked polystyrene,
- THz-TDS,
- air biased coherent detector,
- absorption coefficient

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