Multiport optical amplifier with narrowcast power equalization
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United States of America Patent
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Feb 3, 2009
Grant Date -
Dec 8, 2005
app pub date -
Aug 4, 2005
filing date -
Feb 7, 2003
priority date (Note) -
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Abstract
Apparatus and method for equalizing a multiplicity of amplifier optical output signals comprised of a combined broadcast optical signal and a narrowcast optical signal having different bands of wavelengths of light by adjusting the power output level of at least one the signals in response to an amplified sample of the signal. A light switch or attenuator and a sensor for determining whether a transmission fiber is in place is connected to each of the multiplicity of optical output signals to allow the optical output signals to be turned on and off for maintenance and repair.
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