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Proceedings Paper

Thermal imaging through infrared fiber/waveguides bundles
Author(s): Israel Gannot; Alon Goren; Eran Rave; Abraham Katzir; Veena Gopal; Gregory Revezin; James A Harrington
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Paper Abstract

Trans-endoscopic Infrared Imaging (IRI) relates the possibility to conduct IRI diagnosis of internal body surfaces under minimal invasiveness. It may also be utilized to control and to optimize the thermal interactions and the potential side effects during Minimally Invasive Surgeries (MIS). However, transferring the thermal images transendoscopically requires the usage of IR imaging bundles, which are neither yet mature nor commercially available. In our setup we have used two basic types of recently-developed imaging bundles: Ag/AgI-coated Hollow Glass Waveguide (HGW) bundles and Silver Halide (AgClBr) core-clad fiber bundles. The optical setup system was consisted of IR optics (e.g. ZnSe lenses, reflective objectives) and a thermal IR camera. We have succeeded to image objects through the bundles, such as various shapes of electrically heated wires, ex-vivo biological phantoms (samples of porcine stomach) and in-vivo phantom models (mice) irradiated by CO2 laser. Measurements were conducted for both - static and dynamic object states.

Paper Details

Date Published: 10 June 2004
PDF: 7 pages
Proc. SPIE 5317, Optical Fibers and Sensors for Medical Applications IV, (10 June 2004); doi: 10.1117/12.533071
Show Author Affiliations
Israel Gannot, Tel-Aviv Univ. (Israel)
National Institutes of Health (United States)
Alon Goren, Tel-Aviv Univ. (Israel)
Eran Rave, Tel-Aviv Univ. (Israel)
Abraham Katzir, Tel-Aviv Univ. (Israel)
Veena Gopal, Rutgers Univ. (United States)
Gregory Revezin, Tel-Aviv Univ. (Israel)
James A Harrington, Rutgers Univ. (United States)

Published in SPIE Proceedings Vol. 5317:
Optical Fibers and Sensors for Medical Applications IV
Israel Gannot, Editor(s)

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