First in-vivo trials of a fiber Bragg grating based temperature profiling system.
We describe the results of in-vivo trials of a portable fiber Bragg grating based temperature profile monitoring system. The probe incorporates five Bragg gratings along a single fiber and prevents the gratings from being strained. Illumination is provided by a superluminescent diode, and a miniature CCD based spectrometer is used for demultiplexing. The CCD signal is read into a portable computer through a small A/D interface; the computer then calculates the positions of the center wavelengths of the Bragg gratings, providing a resolution of 0.2 degree C. Tests were carried out on rabbits undergoing hyperthermia treatment of the kidney and liver via inductive heating of metallic implants and comparison was made with a commercial Fluoroptic thermometry system.
Applied Optics Group, University Canterbury, Kent, United Kingdom. d.j.webb@ukc.ac.uk
D J
DJ
Webb
M W
MW
Hathaway
D A
DA
Jackson
S
S
Jones
L
L
Zhang
I
I
Bennion
D000818:Animals; D001672:Biocompatible Materials; D001831:Body Temperature / Q000502:physiology*; D002277:Carcinoma / Q000503:physiopathology* / Q000628:therapy; D004567:Electrodes, Implanted; D004867:Equipment Design; D006979:Hyperthermia, Induced / Q000295:instrumentation; D007091:Image Processing, Computer-Assisted; D007668:Kidney / Q000502:physiology*; D008113:Liver Neoplasms / Q000503:physiopathology* / Q000628:therapy; D008670:Metals; D019736:Prostheses and Implants; D011817:Rabbits; D013817:Thermography / Q000295:instrumentation*
D001672:Biocompatible Materials; D008670:Metals