Abstract

Semitransparent S1 photocathodes have been developed on a low-resistivity SnO2 layer for streak camera image converter tubes. The 50-Ω/⧠ resistivity combined with good photocathode sensitivity prevents parasitic effects and provides an efficient diagnosis tool for 1.06-μm laser–plasma interaction experiments. Furthermore, the lifetime in the 1-μm range has been greatly increased by a rebaking process which may reestablish the 1.06-μm sensitivity.

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