Chinese Optics Letters, 2007, 5 (2): 105, Published Online: Feb. 8, 2007  

Raman spectroscopy of Chinese human skin in vivo Download: 587次

Author Affiliations
1 Key Laboratory of Optoelectronic Science and Technology for Medicine (Fujian Normal University), Ministry of Education, Fuzhou 350007
2 Cancer Imaging Department, BC Cancer Agency, Vancouver, Canada
Abstract
A novel and compact near-infrared (NIR) Raman system is developed using 785-nm diode laser, volume-phase technology (VPT) holographic system, and NIR intensified charge-coupled device (CCD). Signal-to-noise ratio (SNR) and resolution are improved compared with ordinary acquisition method by a specially designed optical fiber detector and the spectrograph image aberration correction with a parabolic-line fiber array. In 1-5 s, Raman spectra of different parts of Chinese human skin are acquired. Autofluorescence is subtracted from the raw spectrum by polynomial fitting and skin Raman spectrum is then smoothed for further analysis.

Yongzeng Li, Rong Chen, Haishan Ceng, Zhiwei Huang, Shangyuan Feng, Shusen Xie. Raman spectroscopy of Chinese human skin in vivo[J]. Chinese Optics Letters, 2007, 5(2): 105.

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