Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1991-09-06
1993-06-22
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
313529, H01J 3150
Patent
active
052218368
ABSTRACT:
In a streak tube wherein a photocathode and an acceleration electrode are disposed in confronting relation to each other for accelerating a photoelectron beam emitted from the photocathode, at least one of the photocathode and the acceleration electrode is formed on a strip-like electrode. A pulse voltage is applied to the strip-like electrode, whereby a very intensive pulsed electric field is developed between the photocathode and the acceleration electrode with the application of a relatively low pulse voltage. Interactive regions of the photocathode and the acceleration electrode are closely position with high accuracy. The streak tube can thus generate a streaked image with a very high time resolution without an increase in the background emission on a phosphor screen.
REFERENCES:
patent: 3863087 (1975-01-01), Holz
patent: 4891581 (1990-01-01), Takiguchi
patent: 4902927 (1990-02-01), Kinoshita
patent: 4926039 (1990-05-01), Garfield et al.
patent: 4947031 (1990-08-01), Koishi et al.
Review Of Scientific Instruments vol. 58, "Femtosecond streak tube" K. Kinoshita, et al. pp. 932-938; Jun. 1987.
Hamamatsu Photonics K.K.
Le Que T.
Nelms David C.
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