NASA NTRS · 19870000114
Water-Cooled Optical Thermometer
Abstract
Water-cooled optical probe measures temperature of nearby radiating object. Intended primarily for use in silicon-growing furnace for measuring and controlling temperatures of silicon ribbon, meniscus, cartridge surfaces, heaters, or other parts. Cooling water and flushing gas cool fiber-optic probe and keep it clean. Fiber passes thermal radiation from observed surface to measuring instrument.
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Menna, A. A.. 1987-03-01. Water-Cooled Optical Thermometer. https://ntrs.nasa.gov/citations/19870000114
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