Sapphire single crystal fiber sensor can be applied to near infrared laser transmission in high temperature sensing and biomedicine because of its good optical transmission characteristics and high temperature resistance of sapphire single crystals.
The sapphire single crystal fiber temperature sensor has high dynamic range, high sensitivity and fast response in addition to ordinary optical fiber temperature sensor. The advantages of anti electromagnetic interference, but also can achieve a wide range (room temperature -2000 degrees Celsius), high precision (0.2%, 1000 degrees Celsius), high SNR (1x 106dB, 1000 degrees Celsius), broadband (10kHz) temperature measurement, and is widely used in plasma deposition, and high frequency electric heating furnace the high temperature air flow field.
Sapphire fiber sensor light block except for the measurement of temperature and near infrared laser transmission, but also continuously monitoring the operation system, up to 1600 degrees Celsius in the high temperature environment such as structure, material deterioration, and measurement such as pressure, stress, strain and chemical substance concentration and physicochemical parameters.