Optical fiber systems for delivering short high power pulses
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United States of America Patent
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Issued Date -
Oct 19, 2006
app pub date -
Apr 14, 2005
filing date -
Apr 14, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Described is an optical fiber system for delivering ultrashort pulses with minimal distortions due to nonlinearity. The system is based on delivering the optical pulses in a higher order mode (HOM) of a few-moded fiber. The fiber is designed so that the dispersion for the HOM is very large. This results in a dispersion length L.sub.D for the delivery fiber that is exceptionally small, preferably less than the non-linear length L.sub.NL. Under these conditions the system may be designed so the optical pulses experience minimum non-linear impairment, and short pulse/high peak power levels are reproduced at the output of the delivery fiber.
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