Increased Gain of Channel Intensifier Tubes by Pulsed Biasing

摘要: Although the most common use of proximity-focused channel intensifier tubes (CITs) is as optical image amplifiers, electrical gating allows them to be used fast shutters. Except for gating, however, effects imposing transient or pulsed changes on CIT biases have received little attention in literature. It would desirable many applications attain maximum possible gain, but not at expense reduced signal-to-noise ratio (SNR). In experiments described here, we biasing increase gain; our measurements show a marked gain over dc without electronic noise and risk damage that higher potentials create. 7 refs., 4 figs.