Laser and method of controlling laser

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United States of America Patent

PATENT NO 9966724
SERIAL NO

15446303

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Abstract

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A laser includes first through fourth gain media, first through fifth wavelength selective filters, and first through fourth wavelength selective mirrors. The first through fourth gain media emit laser beams of different wavelengths. Each of the first through fifth wavelength selective filters includes first through fourth input/output ports. The fifth wavelength selective filter selects light of periodic wavelengths. The first through fourth wavelength selective filters have their respective first input/output ports connected to the first through fourth gain media, respectively, have their respective fourth input/output ports connected to the first through fourth wavelength selective mirrors, respectively, and have their respective second input/output ports connected to the first through fourth input/output ports, respectively, of the fifth wavelength selective filter.

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Patent Owner(s)

Patent OwnerAddress
FUJITSU LIMITEDKAWASAKI

International Classification(s)

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  • 2017 Application Filing Year
  • H01S Class
  • 1389 Applications Filed
  • 1119 Patents Issued To-Date
  • 80.57 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takabayashi, Kazumasa Atsugi, JP 38 294
Yamamoto, Tsuyoshi Zama, JP 324 4081

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges398912591472101 - 1011 - 2021 - 3031 - 4041 - 5051 - 600501001502002503003504004505005506006507007508008509009501000

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