JPS61114420U - - Google Patents

Info

Publication number
JPS61114420U
JPS61114420U JP1984199809U JP19980984U JPS61114420U JP S61114420 U JPS61114420 U JP S61114420U JP 1984199809 U JP1984199809 U JP 1984199809U JP 19980984 U JP19980984 U JP 19980984U JP S61114420 U JPS61114420 U JP S61114420U
Authority
JP
Japan
Prior art keywords
permanent magnet
cylindrical
insertion hole
axial direction
magnetic pole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1984199809U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1984199809U priority Critical patent/JPS61114420U/ja
Publication of JPS61114420U publication Critical patent/JPS61114420U/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0273—Magnetic circuits with PM for magnetic field generation
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • G02F1/093—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect used as non-reciprocal devices, e.g. optical isolators, circulators

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Description

【図面の簡単な説明】
第１図はこの考案による光アイソレータ用磁気
回路の縦断説明図と側面説明図であり、第２図と
第３図は他の実施例磁気回路の側面説明図である
。 １…筒状永久磁石、２，６…挿入孔、３，４…
筒状補助永久磁石、５，７，８…棒状永久磁石。

Claims (1)

    【実用新案登録請求の範囲】
  1. 中央部の軸方向に貫通したフアラデー回転子用
    挿入孔を有し、軸方向に磁化された筒状永久磁石
    と、該挿入孔を有して軸方向と直交方向に磁化さ
    れ、上記筒状永久磁石の両端面に同軸配置した一
    対の筒状補助永久磁石とからなり、筒状永久磁石
    の端面磁極と筒状補助永久磁石の挿入孔側磁極と
    を同極としたことを特徴とする光アイソレータ用
    磁気回路。
JP1984199809U 1984-12-27 1984-12-27 Pending JPS61114420U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984199809U JPS61114420U (ja) 1984-12-27 1984-12-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984199809U JPS61114420U (ja) 1984-12-27 1984-12-27

Publications (1)

Publication Number Publication Date
JPS61114420U true JPS61114420U (ja) 1986-07-19

Family

ID=30760076

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984199809U Pending JPS61114420U (ja) 1984-12-27 1984-12-27

Country Status (1)

Country Link
JP (1) JPS61114420U (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009229802A (ja) * 2008-03-24 2009-10-08 Sumitomo Metal Mining Co Ltd ファラデー回転子
CN102279478A (zh) * 2010-06-12 2011-12-14 北京优立光太科技有限公司 光隔离器
JP2012068598A (ja) * 2010-09-27 2012-04-05 Fdk Corp ファラデー回転子、および光アイソレーター
JP2012208490A (ja) * 2011-03-16 2012-10-25 Shin Etsu Chem Co Ltd 光モジュール
WO2013085040A1 (ja) * 2011-12-08 2013-06-13 信越化学工業株式会社 光アイソレータ
EP2518552A4 (en) * 2009-12-25 2017-06-07 Hitachi Metals, Ltd. Magnetic circuit for a faraday rotator and method for manufacturing a magnetic circuit for a faraday rotator
WO2020085017A1 (ja) 2018-10-23 2020-04-30 信越化学工業株式会社 光アイソレータ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5456462A (en) * 1977-10-14 1979-05-07 Nippon Telegr & Teleph Corp <Ntt> Optical isolator
JPS56104413A (en) * 1980-01-23 1981-08-20 Setsuo Kuroki Waterproof magnetic member
JPS5929405A (ja) * 1982-08-12 1984-02-16 Nichirei Magnet Kk 小型、軽量の永久磁石回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5456462A (en) * 1977-10-14 1979-05-07 Nippon Telegr & Teleph Corp <Ntt> Optical isolator
JPS56104413A (en) * 1980-01-23 1981-08-20 Setsuo Kuroki Waterproof magnetic member
JPS5929405A (ja) * 1982-08-12 1984-02-16 Nichirei Magnet Kk 小型、軽量の永久磁石回路

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009229802A (ja) * 2008-03-24 2009-10-08 Sumitomo Metal Mining Co Ltd ファラデー回転子
EP2518552A4 (en) * 2009-12-25 2017-06-07 Hitachi Metals, Ltd. Magnetic circuit for a faraday rotator and method for manufacturing a magnetic circuit for a faraday rotator
CN102279478A (zh) * 2010-06-12 2011-12-14 北京优立光太科技有限公司 光隔离器
JP2012068598A (ja) * 2010-09-27 2012-04-05 Fdk Corp ファラデー回転子、および光アイソレーター
JP2012208490A (ja) * 2011-03-16 2012-10-25 Shin Etsu Chem Co Ltd 光モジュール
US9013792B2 (en) 2011-03-16 2015-04-21 Shin-Etsu Chemical Co., Ltd. Optical module
WO2013085040A1 (ja) * 2011-12-08 2013-06-13 信越化学工業株式会社 光アイソレータ
US20140300963A1 (en) * 2011-12-08 2014-10-09 Shin-Etsu Chemical Co., Ltd. Optical Isolator
CN104145209A (zh) * 2011-12-08 2014-11-12 信越化学工业株式会社 光隔离器
JPWO2013085040A1 (ja) * 2011-12-08 2015-04-27 信越化学工業株式会社 光アイソレータ
WO2020085017A1 (ja) 2018-10-23 2020-04-30 信越化学工業株式会社 光アイソレータ

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