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An optical system for cryogenic temperature measurements

机译:用于低温温度测量的光学系统

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摘要

Fiber optics with a photo-imprinted Bragg grating have been studied for potential use as temperature sensors in cryogenic applications. Sensors were coupled with different metallic materials to improve the measurement sensitivity in the very low temperature region, i.e. 4.2-30 K. Various coatings were deposited on the external fiber surface, and full characterization of the tested sensors is given in the paper.
机译:已经研究了带有光印布拉格光栅的光纤在低温应用中作为温度传感器的潜在用途。传感器与不同的金属材料耦合以提高在非常低的温度区域(即4.2-30 K)中的测量灵敏度。在光纤的外部表面上沉积了各种涂层,并在本文中给出了测试传感器的全部特性。

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