Special Section on Quantitative Phase Imaging in Biomedicine

Measurements of morphology and refractive indexes on human downy hairs using three-dimensional quantitative phase imaging

[+] Author Affiliations
SangYun Lee, Kyoohyun Kim, HyunJoo Park, YongKeun Park

Korea Advanced Institute of Science and Technology, Department of Physics, 291 Daehak-Ro Yusung-Gu, Daejeon 305-701, Republic of Korea

Yuhyun Lee, Sungjin Park, Heejae Shin, Jongwon Yang, Kwanhong Ko

Daejeon Dongsin Science High School, 423 Okcheon-Ro Dong-Gu, Daejeon 300-310, Republic of Korea

J. Biomed. Opt. 20(11), 111207 (Jul 23, 2015). doi:10.1117/1.JBO.20.11.111207
History: Received March 19, 2015; Accepted July 1, 2015
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Abstract.  We present optical measurements of morphology and refractive indexes (RIs) of human downy arm hairs using three-dimensional (3-D) quantitative phase imaging techniques. 3-D RI tomograms and high-resolution two-dimensional synthetic aperture images of individual downy arm hairs were measured using a Mach–Zehnder laser interferometric microscopy equipped with a two-axis galvanometer mirror. From the measured quantitative images, the RIs and morphological parameters of downy hairs were noninvasively quantified including the mean RI, volume, cylinder, and effective radius of individual hairs. In addition, the effects of hydrogen peroxide on individual downy hairs were investigated.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

SangYun Lee ; Kyoohyun Kim ; Yuhyun Lee ; Sungjin Park ; Heejae Shin, et al.
"Measurements of morphology and refractive indexes on human downy hairs using three-dimensional quantitative phase imaging", J. Biomed. Opt. 20(11), 111207 (Jul 23, 2015). ; http://dx.doi.org/10.1117/1.JBO.20.11.111207


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