Honeycombed optical skin probe for near infrared spectroscopy

June-Young Lee; Soyoung Lee; Eui Seok Shin; Hyunseok Moon; Sungmo Ahn; Hyeongseok Jang; Hojun Chang; Junho Lee; Yun Sang Park; Karam Choi; Woochang Lee; Sung Hyun Nam

doi:10.1117/12.2576227

5 March 2021 Honeycombed optical skin probe for near infrared spectroscopy

June-Young Lee, Soyoung Lee, Eui Seok Shin, Hyunseok Moon, Sungmo Ahn, Hyeongseok Jang, Hojun Chang, Junho Lee, Yun Sang Park, Karam Choi, Woochang Lee, Sung Hyun Nam

Author Affiliations +

Proceedings Volume 11651, Optical Diagnostics and Sensing XXI: Toward Point-of-Care Diagnostics; 116510K (2021) https://doi.org/10.1117/12.2576227
Event: SPIE BiOS, 2021, Online Only

Abstract

Although diffuse reflectance measurement has convenience in obtaining spectra from skin, it has extremely low light efficiency compared with other configurations as the skin has forward scattering characteristics. To increase the amount of photon illumination and enhance SNR, we suggest a honeycombed optical skin interface with multi-fibers based probe for the diffuse reflectance measurement of skin. Experimental results with human and swine skin measurements show the spectral noise of the skin spectra in the range of 13~16 µAU and the effective water path length in the range of 1.8~2.2 mm. With this honeycombed skin interface, 5~6 times enhanced spectral SNR can be obtained.

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June-Young Lee, Soyoung Lee, Eui Seok Shin, Hyunseok Moon, Sungmo Ahn, Hyeongseok Jang, Hojun Chang, Junho Lee, Yun Sang Park, Karam Choi, Woochang Lee, and Sung Hyun Nam "Honeycombed optical skin probe for near infrared spectroscopy", Proc. SPIE 11651, Optical Diagnostics and Sensing XXI: Toward Point-of-Care Diagnostics, 116510K (5 March 2021); https://doi.org/10.1117/12.2576227

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