OPTICAL IN-FIBER BRAGG GRATING SENSOR SYSTEMS FOR MEDICAL APPLICATIONS

被引：53
|
作者：
Rao, Y. J. [1 ]
Webb, D. J. [1 ]
Jackson, D. A. [1 ]
Zhang, L. [2 ]
Bennion, I. [2 ]
机构：
[1] Univ Kent, Phys Lab, Appl Opt Grp, Canterbury CT2 7NR, Kent, England
[2] Aston Univ, Dept Elect Engn, Photon Res Grp, Birmingham B4 7ET, W Midlands, England
来源：
JOURNAL OF BIOMEDICAL OPTICS | 1998年 / 3卷 / 01期
基金：
英国惠康基金;
关键词：
fiber-optic sensors; interferometry; in-fiber Bragg gratings; temperature sensors; cardiac monitoring; NMR imaging; microwaves;
D O I：
10.1117/1.429860
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Two in-fiber Bragg grating (FBG) temperature sensor systems for medical applications are demonstrated: (1) an FBG flow-directed thermodilution catheter based on interferometric detection of wavelength shift that is used for cardiac monitoring; and (2) an FBG sensor system with a tunable Fabry-Perot filter for in vivo temperature profiling in nuclear magnetic resonance (NMR) machines. Preliminary results show that the FBG sensor is in good agreement with electrical sensors that are widely used in practice. A field test shows that the FBG sensor system is suitable for in situ temperature profiling in NMR machines for medical applications. (C) 1998 Society of Photo-Optical Instrumentation Engineers.
引用
收藏
页码：38 / 44
页数：7
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