Graded index cylindrical microlens for laser diode beam correction
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United States of America Patent
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Feb 23, 1999
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N/A
app pub date -
Apr 11, 1997
filing date -
Apr 11, 1997
priority date (Note) -
Expired
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Abstract
A graded-index microcylindrical lens functioning in combination with a laser diode beam to change the divergence of the fast axis on an incoming laser beam from one divergence to another, but not to collimate the beam. In one embodiment of the present invention, the graded-index microcylindrical lens changes the divergence of one axis of the laser beam to be substantially equal to the divergence of the slow axis.
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