基于蓝宝石光纤的黑体腔瞬态高温传感器设计

Design of Black-Body Cavity Transient High Temperature Sensor on Sapphire Fiber

介绍了一种将接触式和非接触式相结合的蓝宝石光纤黑体腔瞬态高温高温传感器,从黑体腔制作和微光信号探测方面进行了详细分析,最后给出了实验结果.实验结果表明,由于采用新型光电探测器和膜层材料,大大提高了传感器的测温范围和信噪比.该高温传感器的测试范围上限大于2 000℃,响应时间小于100 ms,能够满足科研和工业生产中特殊环境下的温度测量.

A sapphire fiber blackbody cavity transient high temperature sensor based on contact and contactless integration are introduced.The blank-body cavity production and weak photoelectricity signal detection were analyzed.Finally,the testing results were also given.The experimental results show that after the new photoelectric detector and film material used,the temperature range and signal to noise ratio of the sensor was increased.The temperature sensor measuring range upper limit is greater than 2 000℃ and the response time less than 100 ms.It can meet the temperature measurement required by the research and industrial production in some specific environment.