Portable, large-bandwidth time-resolved system for diffuse optical spectroscopy

被引：41
作者：
Bassi, Andrea [1 ]
Farina, Andrea [1 ]
D'Andrea, Cosimo [1 ]
Pifferi, Antonio [1 ]
Valentini, Gianluca [1 ]
Cubeddu, Rinaldo [1 ]
机构：
[1] Politecn Milan, Dipartimento Fis, CNR, INFM ULTRAS,IIT, I-20133 Milan, Italy
来源：
OPTICS EXPRESS | 2007年 / 15卷 / 22期
关键词：
D O I：
10.1364/OE.15.014482
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the development of a compact time-resolved system for the measurement of the optical properties of highly scattering media over a bandwidth of 600-1000 nm. The instrument is based on a fiber laser generating supercontinuum radiation, that is spectrally dispersed and sequentially used to illuminate the sample. A single photon avalanche photo-diode in combination with time correlated single-photon counting is used to recover the time-dispersion curve at each wavelength, both fitted by the diffusion equation. Transmittance measurements performed on calibrated epoxy phantoms and in-vivo on female breast are presented, showing good agreement with previous reports. (C) 2007 Optical Society of America.
引用
收藏
页码：14482 / 14487
页数：6
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