Electro optic high temperature well bore modulator

Details Electro optic high temperature well bore modulator Electro optic high temperature well bore modulator

1988-10-18

1989-07-18

Kyle, Deborah L.

Communications: electrical

Wellbore telemetering or control

Using a specific transmission medium

350356, G01V 100

Patent

active

048497533

ABSTRACT:
A single-crystal electro-optic modulator is described which positions a cubic temperature-stable bulk single crystal between two polarization plates rotated 90.degree. with respect to each other which are located between lensing means which focus divergent radiation emitted from an optical fiber into parallel rays for passage through the polarization means and the crystal and refocus the parallel rays a focal point and within the angle of acceptance of a return optical fiber.

REFERENCES:
patent: 4070621 (1978-01-01), Bassen et al.
patent: 4208636 (1980-06-01), German
patent: 4229079 (1980-10-01), Wayne et al.

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