IMAGE INTENSIFIER TUBE

摘要

PHN 8702 An image intensifier tube comprising an entrance window with a photocathode, an electron optical system, a channel plate multiplier and an exit window. The electonoptical system comprises, between the photocathode and an input electrode of the channel plate which is cylindrical prolonged in the direction of the photocathode, a cylindrical intermediate electrode having a frusto-conical portion with the narrow end nearer to the photocathode.