Expanded beam connector system
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United States of America Patent
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Apr 18, 2006
Grant Date -
Sep 9, 2004
app pub date -
Jul 24, 2002
filing date -
Jul 24, 2001
priority date (Note) -
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Abstract
A method of coupling a high-power optical signal between an optical fiber and a mating optical component, the optical signal ranging in wavelength from x to y, and having a first diameter while propagating in a mode field within the fiber, the method comprising: (a) converting the high-power optical signal between the first diameter in the fiber and a second diameter significantly greater than the first diameter using a GRIN lens fused to an end of the fiber, the GRIN lens having a diameter substantially the same as that of the optical fiber and a length l complying with the following equation:
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