本文着重从材料上描述了热电探测器的基本工作原理。对它用作激光脉冲的宽频敏感元件和外差接收机作了评论,还叙述了热电探测器的光学激励压电谐振及在窄带探测和红外成象方面的应用,探讨了改进热电探测器的几个方向。 This article focuses on the material from the description of the basic working principle of the thermoelectric detector. Comment on its use as a broadband sensor and a heterodyne receiver for laser pulses. It also describes the optical excitation of a pyroelectric detector and its applications in narrowband and infrared imaging. The application of the improved pyroelectric detector Several directions.