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A Microfiber Coupler Tip Thermometer, Ming Ding, Pengfei Wang, Gilberto Bramilla
A Microfiber Coupler Tip Thermometer, Ming Ding, Pengfei Wang, Gilberto Bramilla
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A compact thermometer based on a broadband microfiber coupler tip is demonstrated. This sensor can measure a broad temperature interval ranging from room temperature to 1283 degrees C with sub-200 mu m spatial resolution. An average sensitivity of 11.96 pm/degrees C was achieved for a coupler tip with similar to 2.5 mu m diameter. This is the highest temperature measured with a silica optical fiber device. (C)2012 Optical Society of America