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Proceedings Paper

Terahertz time-domain spectroscopy of D-glucose in the solution states
Author(s): Zhao-feng Jiang; Yi-xin Wang; Xi-hui Li; Cheng-zhen Lu; Wei Liu; Ping Sun; Lu Miao
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Paper Abstract

THz transmission spectrums of different glucose solution with concentration from 1% to 70% were measured on the condition of room temperature and fewer than 4% humidity in the nitrogen environment. According to the physical model of the THz optical parameters, their refractive indexes and absorption coefficients were gotten. The results showed that with the increase of glucose concentration, the THz absorption coefficients of solution decrease linearly. The fitting relations among the refractive index, the extinction coefficient, absorption coefficient and its concentration at the frequency of 0.33, 0.6 and 0.8 THz were acquired individually. Their correlation coefficients were larger than 0.95. Analysis and discussion about them were given. The THz time domain spectroscopy technologies could realize an accuracy measurement for the concentration of glucose solution. This work was meaningful to the exploration of THz spectral response of biological samples.

Paper Details

Date Published: 30 August 2013
PDF: 9 pages
Proc. SPIE 8910, International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Spectrometer Technologies and Applications, 89101T (30 August 2013); doi: 10.1117/12.2034750
Show Author Affiliations
Zhao-feng Jiang, Capital Normal Univ. (China)
Yi-xin Wang, Capital Normal Univ. (China)
Xi-hui Li, Beijing LED Lighting Engineering Co. Ltd. (China)
Cheng-zhen Lu, Capital Normal Univ. (China)
Wei Liu, Capital Normal Univ. (China)
Ping Sun, Beijing Normal Univ. (China)
Lu Miao, Capital Normal Univ. (China)


Published in SPIE Proceedings Vol. 8910:
International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Spectrometer Technologies and Applications
Lifu Zhang; Jianfeng Yang, Editor(s)

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