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Optimization about temperature real-time measurement system using lasers and pyroelectric detector

SHI De heng 1, XU Qi fu 1, LIU Yu fang 2 (1 Department of Foundation, The First Aeronautical College of Air Force, Xinyang 464000, China) (2 Department of Physics, Henan Normal University, Xinxiang 453002, China)  
Based on the Kirchhoff law, a practical reflective temperature real time measurement system using laser diode and LiTaO 3 pyroelectric detector was developed The relationships between main specifications of the instrument, such as temperature measurement accuracy of the instrument, temperature measurement sensitivity and temperature measurement range, and technical parameters, such as working wavelength of the instrument, bandwidth of amplifier and relative aperture of optical system were analyzed Optimized choice of main technical parameters was given
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