Concentric Multipixel Silicon Photodiode Array Probes for Spatially Resolved Diffuse Reflectance Spectroscopy

Concentric Multipixel Silicon Photodiode Array Probes for Spatially Resolved Diffuse Reflectance Spectroscopy

Spatially resolved diffuse reflectance (SRDR) measurements provide photon path information, and enable depth-resolved tissue analysis. This paper introduces an innovative concentric multi-pixel photodiode array (CMPA) probe for SRDR measurements. The CMPA is a compact and densely packed semiconducto...

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Bibliographic Details
Published in:IEEE journal of selected topics in quantum electronics Vol. 22; no. 3; pp. 7 - 12
Main Authors: Senlik, Ozlem, Jokerst, Nan M.
Format: Journal Article
Language:English
Published: New York IEEE 01-05-2016
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Apertures
Arrays
Lighting
Photodetectors
Photodiodes
Photonics
Probes
Silicon
spectroscopy
tissue diagnostics
turbid media
turbid media
Photodetectors
spectroscopy
tissue diagnostics
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Summary:Spatially resolved diffuse reflectance (SRDR) measurements provide photon path information, and enable depth-resolved tissue analysis. This paper introduces an innovative concentric multi-pixel photodiode array (CMPA) probe for SRDR measurements. The CMPA is a compact and densely packed semiconductor SRDR probe which was fabricated and tested on a 99% reflectance standard and two tissue mimicking liquid phantoms for probe validation. The experimental results agree well with forward Monte Carlo simulations.
ISSN:1077-260X
1558-4542
DOI:10.1109/JSTQE.2015.2505733