Ultrasonic laser modulator

Details Ultrasonic laser modulator Ultrasonic laser modulator

1987-03-27

1989-07-04

Sikes, William L.

Coherent light generators

Particular beam control device

Modulation

372 13, 372 99, 372100, 350358, H01S 310

Patent

active

048457191

ABSTRACT:
An ultrasonically modulated laser comprises a laser oscillation tube including opposing ends for generating a beam of planar polarized light having a plurality of wavelenghts; an output mirror at one end of the tube for reflecting the light beam; and a modulation device at the other end of the tube for simultaneously modulating a plurality of wavelengths of the light beams, including an acousto-optical prism having an incident surface for separating the beam into multiple wavelength components, a total reflection mirror for receiving and reflecting selected wavelength components impinging on the incident surface from the tube at a predetermined angle, and an ultrasonic transducer for generating standing means perpendicular to the selected wavelength components for modulating the reflected selected wavelength components.

REFERENCES:
patent: 3467915 (1969-09-01), Uchida
patent: 3508164 (1970-04-01), Uchida
patent: 3613024 (1971-10-01), Geusic et al.
patent: 3828276 (1974-08-01), Cohen
patent: 3982203 (1976-09-01), de Wit
patent: 4736378 (1988-04-01), Myslinski

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