Influence of the chopped frequency of light on optical transport characteristics of human skin including at acupuncture points

Hong-qin Yang; Shu-sen Xie; Song-hao Liu; Hui Li; Yu-hua Wang; Zhou-yi Guo

doi:10.1117/12.756201

8 January 2008 Influence of the chopped frequency of light on optical transport characteristics of human skin including at acupuncture points

Hong-qin Yang, Shu-sen Xie, Song-hao Liu, Hui Li, Yu-hua Wang, Zhou-yi Guo

Author Affiliations +

Proceedings Volume 6826, Optics in Health Care and Biomedical Optics III; 68260R (2008) https://doi.org/10.1117/12.756201
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

An experimental protocol was established for noninvasively measuring the optical transport characteristics of skin tissue along human meridian direction over body surface including at acupuncture points. The diffuse remittance for 658 nm light radiation along the pericardium meridian and non-meridian directions were measured respectively. The influence of the chopped frequency of light on the detected light signal was investigated. It is shown that the optical transport characteristics of skin tissue accords with the Beer's exponential attenuation law along the meridian including at acupuncture points and non-median directions. However there is an obvious difference between the propagations along the meridian direction and non-meridian direction (P<0.05). Furthermore, the chopped frequency can affect the detected signal. The diffuse remittance signal decreased with the chopped frequency's increase and it was different between the meridian and non-meridian directions. These findings are important and meaningful for interpreting the human meridian phenomena by biomedical optics.

Citation Download Citation

Hong-qin Yang, Shu-sen Xie, Song-hao Liu, Hui Li, Yu-hua Wang, and Zhou-yi Guo "Influence of the chopped frequency of light on optical transport characteristics of human skin including at acupuncture points", Proc. SPIE 6826, Optics in Health Care and Biomedical Optics III, 68260R (8 January 2008); https://doi.org/10.1117/12.756201

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