Wedge side pumping for fiber laser at plurality of turns
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United States of America Patent
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Jul 13, 1999
Grant Date -
N/A
app pub date -
Jul 2, 1997
filing date -
Jul 2, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pumped fiber laser including turns of optical fiber defining a wound pack, wherein the optical fiber includes a core, a cladding around the core and a concentric layer of a porous glass matrix material, such as sol-gel, around the cladding. The fiber laser further includes a pumping laser, preferably in the form of a semiconductor laser bar, having lasing regions each being operable to generate light, and a wedge device for directing the light from the lasing regions into the side of the optical fiber at a plurality of different turns thereof, respectively.
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