It is shown from the analysis of surface tension that the hot and ion cleaning of photocathode glass substrate can increase the certain degree.

• 通过表面张力分析,证明对光阴极玻璃基底进行热清洁和离子清洁可以增加玻璃表面的表面能,对提高光阴极的灵敏度有一定的作用。