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Experimental Method for Measurements of Time-resolved Reflectance in Scattering Media

CHEN, JIJUN
http://orcid.org/0000-0001-5300-7386
http://rave.ohiolink.edu/etdc/view?acc_num=miami1533317621838018

Abstract Details

2018, Master of Science, Miami University, Physics.
When a pulse of light propagates through scattering media, the temporal information of the light carries can be used to extract the optical properties of the media. To achieve this goal, we used a supercontinuum laser source with a time-correlated single-photon counting (TCSPC) based coupled to a single-photon avalanche diode (SPAD) to measure the time-resolved reflectance signals using fibers. This thesis focuses on building an optimal set-up for the measurement by measuring the instrument response function (IRF) and the distribution for photon time of flight (DTOF). To find the optimal set-up, which has the IRF that is consistent with the manufacture and show the difference of DTOF of medium with different optical properties, we not only collected the data from different detectors but also collected it from set-up with different optical configurations and with different fiber probes. Finally, we measured signals from solid tissue phantoms and deduced its optical properties of it using diffusion theory. Preliminary results indicate that data are well modeled by theory. In the future, this system can be used to measure signals from real biological tissues and extract their optical properties.
Karthik Vishwanath (Advisor)
Samir Bali (Committee Member)
Urayama Paul (Committee Member)
37 p.
Biophysics
Time-resolved; Reflectance; Diffusion theory; TCSPC system

Recommended Citations

Citations

  • CHEN, J. (2018). Experimental Method for Measurements of Time-resolved Reflectance in Scattering Media [Master's thesis, Miami University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=miami1533317621838018

    APA Style (7th edition)

  • CHEN, JIJUN. Experimental Method for Measurements of Time-resolved Reflectance in Scattering Media. 2018. Miami University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=miami1533317621838018.

    MLA Style (8th edition)

  • CHEN, JIJUN. "Experimental Method for Measurements of Time-resolved Reflectance in Scattering Media." Master's thesis, Miami University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=miami1533317621838018

    Chicago Manual of Style (17th edition)

miami1533317621838018
352
© 2018, all rights reserved.
This open access ETD is published by Miami University and OhioLINK.