Optical waveguides – Optical fiber waveguide with cladding – With graded index core or cladding
Reexamination Certificate
2006-06-06
2006-06-06
Lee, John D. (Department: 2874)
Optical waveguides
Optical fiber waveguide with cladding
With graded index core or cladding
C385S143000, C385S145000
Reexamination Certificate
active
07058271
ABSTRACT:
A plastic optical fiber low in attenuation in a high order mode and small in mode dispersion, is presented. The plastic optical fiber comprises at least a core and a clad surrounding the core, characterized in that the core has a refractive index which gradually decreases from the core center towards the outside in the radial direction of the plastic optical fiber, and the refractive index of the clad is lower than the refractive index of the core center and higher than the refractive index of the core periphery.
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Ishigure Takaaki
Koike Yasuhiro
Murofushi Hidenobu
Onishi Tsuyoshi
Watanabe Yuji
Asahi Glass Company Limited
Koike Yasuhiro
Lee John D.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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