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由钯—银—氧—铯层组成的具有表面电阻低、半透明的光电阴极已经研制成功。可以看出,这种阴极的近红外响应,已延伸到1.5微米。本文叙述了该阴极的制作步骤及其光发射特性。
A photocathode made of palladium-silver-oxygen-cesium with low surface resistance and translucence has been successfully developed. As can be seen, the near infrared response of this cathode has been extended to 1.5 microns. This paper describes the fabrication steps of the cathode and its light emission characteristics.