Device for modulating a beam of radiation

Details Device for modulating a beam of radiation Device for modulating a beam of radiation

1974-05-09

1976-04-27

Farley, Richard A.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

331107G, 331107R, H01S 310

Patent

active

039538109

ABSTRACT:
A modulator for monochromatic beam of radiation, such as a laser beam, consists of a semiconductor crystal body. A sufficient potential is applied to the body to produce a moving zone of resistivity and potential gradient varying from the remainder of the body. The zone may result, for example, from the Gunn effect or the piezoelectric effect. The zone also has optical properties differing from the remainder of the body, so that a beam directed at the crystal can be modulated by the moving zone.

REFERENCES:
patent: 3259016 (1966-07-01), Rosenblum
patent: 3295911 (1967-01-01), Ashkin et al.
patent: 3365581 (1968-01-01), Tell et al.
patent: 3436545 (1969-04-01), Richards et al.
patent: 3440425 (1969-04-01), Nutson et al.

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