透射式GaAs光电阴极研究

Investigation on Transmission Mode GaAs Photocathode

介绍了透射式GaAs光电阴极部件的制作技术和Cs、O激活机理;对Cs、O激活的GaAs光电阴极测试结果进行了分析,并指出了存在的问题和原因;讨论了提高GaAs光电阴极灵敏度的重要途径;提出了GaAs光电阴极灵敏度提高的技术方法以及进一步研究的方向。

The transmission GaAs photocathode fabrication technique and the mechanism of the Cs-O activation for the GaAs are introduced. The experimental results of the GaAs photo- cathode with Cs-O activation has been analyzed, some existing problems and the reasons are pointed out after the analysis. The important way of how to increase the GaAs photocathode pho to-electric sensitivity is discussed. The technique methods of increasing the GaAs photocathode sensitivity is concluded in detail and also the further research direction is put forward.