Optical: systems and elements – Optical amplifier – Optical fiber
Patent
1993-08-02
1995-04-18
Hellner, Mark
Optical: systems and elements
Optical amplifier
Optical fiber
307 43, H02J 110, H01S 300
Patent
active
054083567
ABSTRACT:
A remote fiber optic signal amplifier for use as a repeater/amplifier, such as in transoceanic communications, powered by a Pu.sub.238 or Sr.sub.90 thermoelectric generator. The amplifier comprises a unit with connections on the receiving and sending sides of the communications system, and an erbium-doped fiber amplifier connecting each sending fiber to each receiving fiber. The thermoelectric generator, preferably a Pu.sub.238 or Sr.sub.90 thermoelectric generator delivers power to the amplifiers through a regulator. The heat exchange surfaces of the thermoelectric generator are made of materials resistant to corrosion and biological growth and are directly exposed to the outside, such as the ocean water in transoceanic communications.
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"Newsfronts", Lasers and Optronics, Apr. 1991, p. 12.
Dixon Harold M.
Hellner Mark
Moser William R.
The United States of America as represented by the United States
Tumm Brian R.
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