Evaluation of fluorescent inorganic materials in low temperature region

Evaluation of fluorescent inorganic materials in low temperature region

A fluorescence thermometer using temperature dependence of fluorescent inorganic materials is studied for low temperature measurement. Ruby (chromium ions doped sapphire) is used as a sensor head of the fluorescence thermometer because of long photoluminescence (PL) lifetime and visible emission. In...

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Bibliographische Detailangaben
Hauptverfasser: Aizawa, Hiroaki, Miyazaki, Yukari, Katsumata, Tooru, Komuro, Shuji
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Chromium
Crystals
Fluorescence
low temperature
optical fiber
Optical fiber sensors
ruby
Temperature dependence
Temperature measurement
Temperature sensors
thermometer
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Zusammenfassung:A fluorescence thermometer using temperature dependence of fluorescent inorganic materials is studied for low temperature measurement. Ruby (chromium ions doped sapphire) is used as a sensor head of the fluorescence thermometer because of long photoluminescence (PL) lifetime and visible emission. In this research, ruby crystal is found to be useful as the sensor head for fluorescence thermometer. In addition, the ruby crystal is potentially useful material for the sensor head crystals to measure low temperature below 0°C.