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4 June 2001 Infrared imaging bundles with good image resolution
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Proceedings Volume 4253, Optical Fibers and Sensors for Medical Applications; (2001)
Event: BiOS 2001 The International Symposium on Biomedical Optics, 2001, San Jose, CA, United States
Amorphous Materials has developed a chalcogenide glass which can be drawn in unclad fibers continuously with diameters as low as 50 micrometers . The glass, designed C4, was used to form bundles using the stacked ribbon method. The bundles, 1 meter long and containing 4 - 5 thousand fibers, fitted with relay and objective lenses, produced images using the 3 - 5 micrometers Agema 210 camera far superior than observed at Amorphous Materials with previous bundles. Resolution and contrast were markedly improved. Further improvement was observed when a bundle was used with a much more sensitive Raytheon Radiance it 3 - 5 micrometers camera. FTIR scans showed the transmission was low in the 8 - 12 micrometers range. Images obtained using a Raytheon Palm IR were faint with low contrast. Antireflection coating on the bundles improved 3 - 5 micrometers transmission but failed to improve the 8 - 12 micrometers performance sufficiently.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Albert Ray Hilton Sr. "Infrared imaging bundles with good image resolution", Proc. SPIE 4253, Optical Fibers and Sensors for Medical Applications, (4 June 2001);


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