Collinear acousto-optical tunable filter and acousto-optically t

Details Collinear acousto-optical tunable filter and acousto-optically t Collinear acousto-optical tunable filter and acousto-optically t

1975-09-30

1976-09-28

Sikes, William L.

350161, G02F 120

Patent

active

039828174

ABSTRACT:
A collinear, acousto-optical, tunable filter is described. A well-collimated, polarized beam of light enters a crystal of Tl.sub.3 AsSe.sub.3. A sound wave generated in the crystal collinear to the light rotates the plane of polarization of the light. A method of analyzing a light spectrum is also disclosed.
An acousto-optically tunable laser employing an acousto-optical filter between the mirrors of a laser is also described.

REFERENCES:
patent: 3799659 (1974-03-01), Roland et al.

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