Ultra-rapid electro-optical shutter

Details Ultra-rapid electro-optical shutter Ultra-rapid electro-optical shutter

1978-01-24

1980-07-08

Sikes, William L.

Oscillators

Relaxation oscillators

331 945M, G02F 103

Patent

active

042114748

ABSTRACT:
An ultra-rapid electro-optical shutter comprises an electro-optical crystal which receives an incident beam and is able to transmit it when an electric field is applied thereto. The crystal has an electrode disposed on one of its surfaces, with a first silicon joint disposed between two parts of this electrode. An electric field is created in use by applying a voltage between one of the parts of the electrode and the surface of the crystal opposite to that on which the electrode is disposed. A first light beam is used to switch the silicon joint electrically on and off thereby passing and blocking the passage of a second beam through the crystal. The beams may be lasers.

REFERENCES:
P. LeFur et al., A Kilovolt Picosecond Optoelectronic Switch and Pockel's Cell, Appl. Phys. Lett., vol. 28, No. 1, (Jan. 1, 1976), pp. 21-23.

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