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8 December 1999 Gas-cooled probe protectors
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Proceedings Volume 3852, Harsh Environment Sensors II; (1999)
Event: Photonics East '99, 1999, Boston, MA, United States
The design and testing of a gas cooled probe protector shell is described. Standard optical probes are limited to relatively low temperature and mild environmental conditions. By enclosing such probes in concentric air- cooled stainless steel tubes with a brazed sapphire window at the end, their operating limits can be greatly extended. Gas cooling eliminates the facility requirements and leak hazards of water-cooled probes. Low gas flow rates have been demonstrated to maintain a probe at less than 100 degree(s)C in a 600 degree(s)C quiescent environment.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Stephen C. Bates and Michael J. Pollack "Gas-cooled probe protectors", Proc. SPIE 3852, Harsh Environment Sensors II, (8 December 1999);

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