Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1987-07-01
1989-05-30
Howell, Janice A.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
350356, G21K 400, G02F 103
Patent
active
048353914
ABSTRACT:
A system which couples Cerenkov emission with a gated electrooptic effect to allow viewing of Cerenkov radiation in sub nanosecond time-scales is disclosed. Cerenkov radiation is generated by transmitting an electron beam through a transparent medium with a high index of refraction. The Cerenkov radiation is then gated into a sample pulse of subanosecond duration by an electrooptic crystal which has an index of refraction controlled by an electric field. the electrooptic crystal is opaque to the Cerenkov radiation until receiving a 6.0 kV voltage for about 750 picoseconds, upon which a pulsed sample of Cerenkov radiation is transmitted to a display system.
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"Time-resolved studies of intense, relativistic electron beams with a subnanosecond Cerenkov electro-optic shutter" by F. Hartemann and G. Bekefi Appl. Phys. Lett. 49(25) 22 Dec. 1986 pp. 1680-1682.
Bekefi George
Hartemann Frederick
Auton William G.
Hannaher Constantine
Howell Janice A.
Singer Donald J.
The United States of America as represented by the Secretary of
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