Optical fiber with lens and optical coupler

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United States of America Patent

PATENT NO 10698161
APP PUB NO 20190121026A1
SERIAL NO

16090665

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Abstract

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An optical fiber with lens in which one end face of a first GRIN lens is connected to an end face of an optical fiber and one end face of a second GRIN lens is connected to another end face of the first GRIN lens, wherein the optical fiber and the first and second GRIN lenses are coaxially connected, a numerical aperture of the first GRIN lens is smaller than a numerical aperture of the second GRIN lens, and a position in a radial direction of a minimum distribution refractive index nt of the second GRIN lens is set on an inner side of an outer edge of the second GRIN lens and set at a same position as or on an outer side of an outermost periphery of light that is spread by the first GRIN lens.

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Patent Owner(s)

Patent OwnerAddress
TOYO SEIKAN GROUP HOLDINGS LTD18-1 HIGASHI-GOTANDA 2-CHOME SHINAGAWA-KU TOKYO 1418627 ?1418627

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Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukuda, Toshiaki Kanagawa, JP 7 41
Takahashi, Yosuke Kanagawa, JP 97 705

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges27143263150433256421101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 90100 +020040060080010001200140016001800200022002400260028003000320034003600

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