A MULTIMODE OPTICAL AMPLIFYING FIBER WITH A TRANSVERSELY COUPLED OPTICAL PUMPING BEAM
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United States of America Patent
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N/A
Issued Date -
Oct 24, 2002
app pub date -
Feb 15, 2000
filing date -
Feb 15, 1999
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention relates to an optical amplifier (3) in which a source beam (1) and a pumping beam (2) are coupled. The pumping beam (P) is introduced into the fibre (3) laterally with respect to the optical axis (5) of the fibre, and focused by the curvature of the fibre (3) on a mirror (6) formed by a polished end face (8) so as to deflect it inside a numerical aperture cone of the optical fibre (3).
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