Optical beam diameter reducer
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United States of America Patent
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May 21, 2002
Grant Date -
N/A
app pub date -
Feb 17, 2000
filing date -
Feb 18, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical beam diameter reducer for reducing a beam diameter of an optical beam comprises a three-layer structure composed of a central core, a refractive index inclined layer formed outside the core which refractive index gradually decreases toward the outside in the radial direction and a cladding layer formed outside the refractive index inclined layer.
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