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Determination of reflectance optical sensor array configuration using 3-layer tissue model and Monte Carlo simulation
, Article IFMBE Proceedings, 20 June 2011 through 23 June 2011 ; Volume 35 IFMBE , 2011 , Pages 424-427 ; 16800737 (ISSN) ; 9783642217289 (ISBN) ; Gan, K. B ; Mohd Ali, M. A ; Zahedi, E ; Sharif University of Technology
2011
Abstract
A new reflectance optical sensor array for locating fetal signal transabdominally has been determined in this study. The selection of optical sensor array is based on the highest Irradiance (μW/m2) value estimated on respected detectors. A three-layer semi-infinite tissue model which consists of maternal, amniotic fluid sac and fetal tissues is employed to study the optical sensor array configuration. By using statistical error approach, the number of rays injected to the system can be set to 1 million rays with ±3.2% of simulation error. The simulation results obtained from Monte Carlo technique reveal that diamond configuration is the most suitable configuration of reflectance optical...