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Proceedings Paper

THz spectroscopy and polarization of jade
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Paper Abstract

A terahertz time-domain spectrometer is employed to study various properties of jade, including the kind identification and polarization analysis. The characteristic absorption spectra and refractive index of jade are obtained in the range of 0.2 to 2.6 THz. Studying the absorption spectra and the transmission temporal THz waveform with two peaks, which were confirmed to be coming from ordinary and extraordinary beams, respectively, and result in fake absorption features. A practical ways are suggested to remove the fake absorption features and therefore the real absorption spectra of jade which accurately indicate the information of the samples can be obtained.

Paper Details

Date Published: 5 November 2010
PDF: 9 pages
Proc. SPIE 7854, Infrared, Millimeter Wave, and Terahertz Technologies, 78542H (5 November 2010); doi: 10.1117/12.868776
Show Author Affiliations
Xuejiao Guo, Capital Normal Univ. (China)
Key Lab. of Terahertz Optoelectronics, Ministry of Education (China)
Wei Xiong, Capital Normal Univ. (China)
Key Lab. of Terahertz Optoelectronics, Ministry of Education (China)
Jingling Shen, Capital Normal Univ. (China)
Key Lab. of Terahertz Optoelectronics, Ministry of Education (China)


Published in SPIE Proceedings Vol. 7854:
Infrared, Millimeter Wave, and Terahertz Technologies
Cunlin Zhang; Xi-Cheng Zhang; Peter H. Siegel; Li He; Sheng-Cai Shi, Editor(s)

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