Laser apparatus having an optical guide formed in a conglomerate form with long and continuous optical fibers
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United States of America Patent
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Apr 18, 2000
Grant Date -
N/A
app pub date -
Oct 29, 1997
filing date -
Oct 31, 1996
priority date (Note) -
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Abstract
A laser apparatus capable of very effectively converting excitation light to laser oscillation light includes a single continuous long laser fiber wound by multiple turns and made immobile by an ultraviolet setting resin as to form a cylindrical shape conglomerate whose opposite ends are exposed as outputs for laser beam, and generates a laser oscillation light from the opposite ends upon radiation of excitation light from a periphery of the fiber. The laser fiber has a clad covering a core, which is doped with active lasing substances such as Nd.sup.3+ ions.
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