Optical waveguides – Optical fiber waveguide with cladding – Utilizing multiple core or cladding
Reexamination Certificate
2005-06-07
2005-06-07
Frech, Karl D. (Department: 2876)
Optical waveguides
Optical fiber waveguide with cladding
Utilizing multiple core or cladding
C385S124000, C385S126000, C385S123000, C398S081000, C359S334000
Reexamination Certificate
active
06904217
ABSTRACT:
The specification describes an improved optical fiber design in which the criteria for high performance in a Raman amplified optical system, such as moderate effective area, moderate dispersion, low dispersion slope, and selected zero dispersion wavelength, are simultaneously optimized. In preferred embodiments of the invention, the dispersion characteristics are deliberately made selectively dependent on the core radius. This allows manufacturing variability in the dispersion properties, introduced in the core-making process, to be mitigated during subsequent processing steps.
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Kalish David
Kim Jinkee
Lingle, Jr. Robert
Qian Yifei
Frech Karl D.
Furukawa Electric North America
Walsh Daniel
Wilde Peter V.D.
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