Acoustooptical modulator

Details Acoustooptical modulator Acoustooptical modulator

1998-03-04

1999-12-28

Epps, Georgia

Optical: systems and elements

Optical modulator

Light wave temporal modulation

G02F 111

Patent

active

06008930&

ABSTRACT:
The object of the present invention is to present an acoustooptical modulator without ripples in its wavelength loss characteristics. In order to achieve this objective, the present invention provides an acoustooptical body 8 having a piezoelectric vibrator supplying, for example, ultrasonic vibration, to modulate the incident optical signal, an acoustooptical medium rotated 90.degree. on the crystal axis of the acoustooptical medium upon which the optical signal emitted from acoustooptical medium is incident, and eliminates the polarization mode scattering caused the birefringence of both acoustooptical medium and acoustooptical medium.

REFERENCES:
patent: 4330178 (1982-05-01), McNaney
patent: 4440472 (1984-04-01), Cohen
patent: 5107368 (1992-04-01), Noguchi

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