Instruments for measuring light pulses clocked at high repetitio

Details Instruments for measuring light pulses clocked at high repetitio Instruments for measuring light pulses clocked at high repetitio

1983-12-01

1987-02-24

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313528, H01J 3150

Patent

active

046459189

ABSTRACT:
An instrument for measuring light pulses generated at a high repetition rate comprising a streaking tube and optical means for directing the light pulses to a photocathode layer forming part of the streaking tube. A signal synchronized with the light pulses is combined with a control signal in a delay circuit having an output coupled to deflection electrodes in the streaking tube, electrons emitted from the photocathode being deflected by the voltage applied to the deflection electrodes and impinging on a phosphor layer to form a streaking image. A sampling means is positioned adjacent the phospher layer for picking up a portion of the streaking image and coupling it to a photoelectric multiplier tube. The outputs of the photomultiplier tube and the control signal are connected to an output device for displaying the photomultiplier output as a function of the control signal.

REFERENCES:
patent: 4413178 (1983-11-01), Mourou et al.
patent: 4461572 (1984-07-01), Tsuchiya

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