Optical frequency shifter using magnetostatic waves

Details Optical frequency shifter using magnetostatic waves Optical frequency shifter using magnetostatic waves

1987-06-05

1989-01-10

Arnold, Bruce Y.

350321, G02F 109

Patent

active

047969830

ABSTRACT:
An optical frequency shifter that uses mode coupling of magnetostatic waves with light having frequency .omega..sub.o from a laser. A controllable external magnetic biasing field and a controlled microwave source are used to independently specify the frequency .omega..sub.q and wavenumber K.sub.q of the magnetostatic wave. As a result, the mode coupling can be maintained over a range of frequencies .omega..sub.q so a shifted beam of light .omega..sub.o .+-..omega..sub.q can be produced.

REFERENCES:
patent: 4575179 (1986-03-01), Lee et al.
patent: 4588296 (1986-03-01), Cahill et al.
patent: 4687958 (1987-08-01), Sommargren

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