Multimode fiber optical fiber transmission system with offset launch single mode long wavelength vertical cavity surface emitting laser transmitter
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United States of America Patent
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Jun 12, 2007
Grant Date -
Nov 24, 2005
app pub date -
May 22, 2004
filing date -
May 21, 2003
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Abstract
A multimode fiber optical fiber transmission system includes an improved configuration for launching a single mode long wavelength transmission signal into existing multimode optical fiber networks. More specifically, the invention utilizes new single mode long wavelength VCSEL devices to realize a novel transmitter/transceiver for multimode fiber links where offset launch with controlled mode conditioning is achieved without the use of a mode conditioning patchcord, and in some embodiments, without the use of any collecting or focusing elements.
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