WAVELENGTH-CONTROLLED DIODE LASER MODULE WITH EXTERNAL RESONATOR
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United States of America Patent
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Issued Date -
Mar 12, 2015
app pub date -
Feb 26, 2014
filing date -
Sep 11, 2013
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Abandoned
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Abstract
A diode laser module includes a laser diode (1), an anamorphic prism pair (5) consisting of a pair of prisms (3, 4) having mutually different apex angles and/or made of material having mutually different refractive indices, and a partial reflective mirror (6; 16) disposed on a side of the anamorphic prism pair away from the laser diode and having a planar or spherical surface facing the anamorphic prism pair and coated with partial reflective coating (6a; 16a). The wavelength of the laser output can be changed by adjusting the position of the partial reflective mirror.
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