基于HgCdTe红外探测器的微弱信号检测电路设计

张洋, 张记龙, 杜宣燕

张洋, 张记龙, 杜宣燕. 基于HgCdTe红外探测器的微弱信号检测电路设计[J]. 应用光学, 2011, 32(4): 779-783.
引用本文: 张洋, 张记龙, 杜宣燕. 基于HgCdTe红外探测器的微弱信号检测电路设计[J]. 应用光学, 2011, 32(4): 779-783.
shu
ZHANG Yang, ZHAG Ji-long, DU Xuan-yan. Weak signal detection circuit based on HgCdTe IR detector[J]. Journal of Applied Optics, 2011, 32(4): 779-783.
Citation: ZHANG Yang, ZHAG Ji-long, DU Xuan-yan. Weak signal detection circuit based on HgCdTe IR detector[J]. Journal of Applied Optics, 2011, 32(4): 779-783.
shu

基于HgCdTe红外探测器的微弱信号检测电路设计

  • 1.

    中北大学仪器科学与动态测试教育部重点实验室,山西太原 030051;

  • 2.

    山西省光电信息与仪器工程技术研究中心,山西太原030051;

  • 3.

    中北大学机电工程学院,山西太原030051

详细信息
    通讯作者:

    张洋（1986-），男，山西昔阳人，硕士研究生，主要从事光电检测技术研究。

  • 中图分类号: TN206;TP732.2

Weak signal detection circuit based on HgCdTe IR detector

  • 1.

    Key Laboratory of Instrumentation Science &Dynamic Measurement,North University of China,Taiyuan030051,China;

  • 2.

    Engineering Technology Research Center of Shanxi Province for Opto-Electronic Information and Instrument,Taiyuan030051,China;

  • 3.

    Mechanical and Electrical Engineering College,North University of China,Taiyuan030051,China

摘要

    摘要
  • 摘要: 被动动态傅里叶变换红外光谱（FTIR）仪可用于周围环境红外辐射的光谱分析，其中红外信号检测是光谱仪中的重要组成部分。基于高信噪比、高灵敏度、温漂小和抗干扰能力强的电路设计原理，采用滤波电源供电，使用高速低噪声高精度的运算放大器，通过合理的电路布局和元器件选择来设计红外信号检测电路。在大气环境和室内气室的实验条件下，红外信号检测电路组成的红外光谱仪对目标气体进行红外遥感，并对实验结果进行了分析和探讨。实验结果表明：在系统中运行的检测电路具有较高的信噪比和较好的稳定性，测量精度高，可实现对大气环境的红外遥感。
    Abstract: Passive dynamic FTIR spectrometer can be used for the spectral analysis of environmental radiation, and infrared signal detection plays an important role in spectrometry. Based on the design concept of circuit, it requires high signal to noise ratio (SNR), high sensitivity, small temperature drift and strong antijamming capability. Using a filtered power supply, and a high-speed, low-noise and high-precision operational amplifier, a circuit was designed for IR signal detection. The infrared spectrometer with the IR signal detection circuit was used to sense the atmosphere remotely, and the experimental results were analyzed and discussed. Experimental results show that the detection circuit is operated with good stability, high SNR, and high accuracy, which enables the IR remote sensing of atmospheric environment.
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    • 参考文献(1)
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  • 刊出日期:  2011-07-14

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