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Proceedings Article

Terahertz time-domain spectroscopy of D-glucose in the solution states

[+] Author Affiliations
Zhao-feng Jiang, Yi-xin Wang, Cheng-zhen Lu, Wei Liu, Lu Miao

Capital Normal Univ. (China)

Xi-hui Li

Beijing LED Lighting Engineering Co. Ltd. (China)

Ping Sun

Beijing Normal Univ. (China)

Proc. SPIE 8910, International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Spectrometer Technologies and Applications, 89101T (August 30, 2013); doi:10.1117/12.2034750
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From Conference Volume 8910

  • International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Spectrometer Technologies and Applications
  • Lifu Zhang; Jianfeng Yang
  • Beijing, China | June 25, 2013

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. © (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Zhao-feng Jiang ; Yi-xin Wang ; Xi-hui Li ; Cheng-zhen Lu ; Wei Liu, et al.
" Terahertz time-domain spectroscopy of D-glucose in the solution states ", Proc. SPIE 8910, International Symposium on Photoelectronic Detection and Imaging 2013: Imaging Spectrometer Technologies and Applications, 89101T (August 30, 2013); doi:10.1117/12.2034750; http://dx.doi.org/10.1117/12.2034750


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