Medical temperature profile monitoring using multiplexed fiber Bragg gratings

David J. Webb; Yun-Jiang Rao; M. W. Hathaway; David A. Jackson; Lin Zhang; Ian Bennion

doi:10.1117/12.339099

3 February 1999 Medical temperature profile monitoring using multiplexed fiber Bragg gratings

David J. Webb, Yun-Jiang Rao, M. W. Hathaway, David A. Jackson, Lin Zhang, Ian Bennion

Proceedings Volume 3541, Fiber Optic and Laser Sensors and Applications; Including Distributed and Multiplexed Fiber Optic Sensors VII; (1999) https://doi.org/10.1117/12.339099
Event: Photonics East (ISAM, VVDC, IEMB), 1998, Boston, MA, United States

Abstract

We describe work on a system able to measure the temperature at a number of points along a single optical fiber probe, designed for in-vivo temperature profile monitoring. The sensing elements are in-fiber Bragg grating sensor and three forms of signal processing have been investigated. System 1 uses interferometric wavelength shift detection with a monochromator providing the WDM. System 2 used a scanning in-line Fabry-Perot filter and system 3 uses a monochromator with a CCD based readout scheme. The performances of the three approaches are compared.

Citation Download Citation

David J. Webb, Yun-Jiang Rao, M. W. Hathaway, David A. Jackson, Lin Zhang, and Ian Bennion "Medical temperature profile monitoring using multiplexed fiber Bragg gratings", Proc. SPIE 3541, Fiber Optic and Laser Sensors and Applications; Including Distributed and Multiplexed Fiber Optic Sensors VII, (3 February 1999); https://doi.org/10.1117/12.339099

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