Method of protecting an RF receiver in a hostile electromagnetic

Details Method of protecting an RF receiver in a hostile electromagnetic Method of protecting an RF receiver in a hostile electromagnetic

1995-06-26

1997-02-11

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25022711, 324 96, 343721, H01J 516

Patent

active

056023871

ABSTRACT:
A photonic electro-optic field sensor is positioned adjacent a metallic antenna. Polarized light is passed through the field sensor, and the degree of rotation thereof is proportional to the strength of the RF signal sensed by the antenna. The resulting modulated light signal is transmitted via an optical fiber cable to a remote signal processor and is photodetected before further processing by the shielded processor electronics.

REFERENCES:
patent: 4376248 (1983-03-01), Giallorenzi et al.
patent: 5068616 (1991-11-01), Broyde et al.
patent: 5210407 (1993-05-01), Ito et al.
patent: 5243186 (1993-09-01), Hilliard et al.
patent: 5365237 (1994-11-01), Johnson et al.
patent: 5389782 (1995-02-01), Hilliard

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