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Research Papers

Simultaneous refractive index and thickness measurements of bio tissue by optical coherence tomography

[+] Author Affiliations
Xinyu Wang, Chunping Zhang, Lianshun Zhang, Lingling Xue, Jianguo Tian

Nankai University, Physics Department, Tianjin?300071, People’s Republic of China

J. Biomed. Opt. 7(4), 628-632 (Oct 01, 2002). doi:10.1117/1.1501887
History: Received Nov. 8, 2001; Revised Feb. 20, 2002; Accepted Apr. 10, 2002; Online October 22, 2002
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This paper presents two techniques based on optical coherence tomography, the “focus tracking method” and the “optical path shifting method,” for determining refractive index and thickness simultaneously, which are especially useful for bio tissues. From comparison of these two methods, it was found that the focus tracking method is suitable for in vivo measurement, but does not have high precision. The optical path shifting method is limited to in vitro measurement, but has high precision. Using the optical path shifting method, the refractive indices of cucumber were measured at the wavelength of 850 and 1300 nm. © 2002 Society of Photo-Optical Instrumentation Engineers.

© 2002 Society of Photo-Optical Instrumentation Engineers

Citation

Xinyu Wang ; Chunping Zhang ; Lianshun Zhang ; Lingling Xue and Jianguo Tian
"Simultaneous refractive index and thickness measurements of bio tissue by optical coherence tomography", J. Biomed. Opt. 7(4), 628-632 (Oct 01, 2002). ; http://dx.doi.org/10.1117/1.1501887


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