为了降低自由空间光通信系统对高跟踪精度的需求，化简光学天线结构，缩小系统体积，本文提出了一种采用复合波导阳极的空间光通信专用微通道光电倍增管。首先从微通道板光电倍增理论模型的角度出发，介绍了新型器件的工作原理并分析复合波导阳极的透射阳极和位敏阳极对真空倍增系统造成的约束条件；其次通过光学传递函数分析方法研究了复合波导阳极的器件特性并给出了器件设计参数与成像能力之间的对应关系；接着在此基础上分析了高速信号检测功能和入射光轴精确定位功能的约束关系，给出了相应的电子光学系统设计与修正方法；最后在真空炉中进行了该新型器件的验证性试验。%In order to decrease the high tracking precision press of free space optical communication,simplify the op-tical antenna structure and reduce the system size,a new specialized micro-channel plate-photomultiplier tube(MCP-PMT) using complex waveguide anode is first proposed in this paper,which could be used in free space optical communication sys-tem (FSO).First of all,from the view point of photomultiplier model of microchannel plate,the principle of new device is described and the effect of both transmission and position anode of complex waveguide anode to constraints of vacuum pho-tomultiplier system is analyzed;Secondary,the device characteristic of the complex waveguide anode devices is investigated through analytical method of modulation transfer function(MTF),and the corresponding relations between design parameters of device and imaging ability is given.Based on the above,constraint relation between high-speed signal detection and opti-cal axis position are investigated and corresponding design and correction method of electro-optical system are derived.At last,this kind of new device is verified through experiment in the vacuum furnace.
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