OPTICAL FIBER DEVICE
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United States of America Patent
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Issued Date -
Aug 4, 2016
app pub date -
Jul 24, 2014
filing date -
Sep 11, 2013
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Abstract
In an optical fiber device (1), a fiber connection unit is provided with a laser light path unit (73) formed into a hollow shape such that a laser light incident on the core (21a) passes through an interior of the laser light path unit, the laser light path unit (73) is provided with a diaphragm unit (73b) formed to have an inner width dimension smaller than an outer width dimension of the core (21a), and a touching portion (73c) formed to have an inner width dimension larger than the outer width dimension of the core (21a) so as to touch a portion outside the core (21a) on an end face on an incident side of the optical fiber unit (2), the touching portion (73c) arranged on an end on a downstream side.
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