Frequency shifter and optical displacement measurement apparatus

Details Frequency shifter and optical displacement measurement apparatus Frequency shifter and optical displacement measurement apparatus

1995-07-07

1997-05-13

Hellner, Mark

Optical: systems and elements

Optical modulator

Light wave temporal modulation

356356, G02F 0123

Patent

active

056297939

ABSTRACT:
A frequency shifter for modulating the frequency of an incident light beam is disclosed. This frequency shifter includes an electro-optic crystal portion to be arranged at an incident position, an electrode arranged on the electro-optic crystal portion, a voltage application unit for applying a voltage to the electro-optic crystal portion via the electrode, and a unit which is arranged at least at a portion of the electro-optic crystal portion to uniformize the temperature of the electro-optic crystal portion.

REFERENCES:
patent: 4019159 (1977-04-01), Hon et al.
patent: 5050993 (1991-09-01), Tansey
patent: 5229830 (1993-07-01), Ishida et al.
patent: 5383048 (1995-01-01), Seaver
patent: 5459571 (1995-10-01), Dammann et al.
patent: 5502562 (1996-03-01), Werle

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