| 一种实用化实时测温系统的优化设计 |
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| 引用本文： | 施德恒,黄国庆,刘玉芳,陈玉科,李振新.一种实用化实时测温系统的优化设计[J].光学学报,2003,23(11):394-1401. |
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| 作者姓名： | 施德恒 黄国庆 刘玉芳 陈玉科 李振新 |
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| 作者单位： | 1. 空军第一航空学院基础部,信阳,464000
2. 河南师范大学物理系,新乡,453002 |
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| 基金项目： | 河南省科技攻关项目 (0 0 112 0 32 1)资助课题 |
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| 摘 要： | 基于基尔霍夫定律，利用半导体激光器及钽酸锂热释电探测器设计了一种实用化的实时测温系统。依照测温系统各主要技术指标(温度分辨力、温度的标准偏差及测温范围)与各主要技术参量(激光光源的能量、波长、放大器的带宽及光学系统的相对孔径等)之间的关系，对实时测温系统的各主要参量(激光光源的能量、光学系统的相对孔径及放大器的带宽)进行了优化设计。实验表明，在测温范围673～1473K内，温度测量的不确定度优于0．3％，分辨力优于0．4K，均符合设计要求。
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| 关 键 词： | 辐射测温 半导体激光器 热释电探测器 温度分辨力 测温不确定度 基尔霍夫定律 钽酸锂热释电探测器 标准偏差 光学计量 |
| 收稿时间： | 2002/9/19 |
Optimization of a Practical Real-Time Temperature Measurement System |
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| Institution: | Received 13 May 2002; revised 1 September 2003 |
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| Abstract: | Based on the Kirchhoff law, a practical real-time temperature measurement system using laser diode and LiTaO 3 pyroelectric detector is developed. According to the relations between main specifications(temperature measurement resolving power, standard deviation and range) and main technical parameters of the instrument, such as laser energy and wavelength of emitting source, bandwidth of amplifier and relative aperture of optical system, the above technical parameters are optimized. Experimental results show that temperature measurement accuracy is better than 0.3% and temperature resolution is better than 0.4 K at 673～1473 K. They are both in accordance with the requirement. |
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| Keywords: | optical measurement temperature measurement temperature measurement by radiation laser diode pyroelectric detector temperature resolution temperature measurement accuracy |
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