Plastic optical fiber continuous optical amplifier and excitation tube
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United States of America Patent
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Jul 3, 2001
Grant Date -
N/A
app pub date -
Apr 6, 1999
filing date -
Apr 7, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A plastic optical fiber continuous optical amplifier for continuously amplifying signal lights includes an exciting light tube with a double tube structure formed of an inner tube and an outer tube, and a plastic optical fiber (POF) coaxially provided inside the inner tube of the exciting light tube. The POF includes a core having an induced emission material therein and a larger refractive index, and a clad for holding the core and having a smaller refractive index than that of the core. The core and the clad are coaxially provided to the POF. It is preferable that electrodes of the exciting light tube have a ring shape to effectively excite.
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