JPH0179017U - - Google Patents

Info

Publication number
JPH0179017U
JPH0179017U JP1987175414U JP17541487U JPH0179017U JP H0179017 U JPH0179017 U JP H0179017U JP 1987175414 U JP1987175414 U JP 1987175414U JP 17541487 U JP17541487 U JP 17541487U JP H0179017 U JPH0179017 U JP H0179017U
Authority
JP
Japan
Prior art keywords
permanent magnet
diameter
light
optical isolator
polarizer
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
JP1987175414U
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 JP1987175414U priority Critical patent/JPH0179017U/ja
Publication of JPH0179017U publication Critical patent/JPH0179017U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案の光アイソレータにおける一実
施例の断面図。第２図、第３図は従来の光アイソ
レータの断面図。 １，１１，２１：ホルダーケース、２，１２，
２２：永久磁石、３：偏光子、４：フアラデー回
転子、５：検光子、６：遮光板。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 偏光子が内部に挿入、固定された第１の中
    空状永久磁石、検光子が内部に挿入、固定された
    第２の中空状永久磁石、その中間もしくは一方の
    中空状永久磁石内に配置されたフアラデー回転子
    、および上記永久磁石部材をそれぞれ内装する一
    対のホルダーケースから構成される光アイソレー
    タにおいて、偏光子と検光子間に、中心部に遮光
    孔を形成した遮光板を配置することを特徴とした
    光アイソレータ。 (2) 入射光側ホルダーケースの光導入口の口径
    をｍ１、遮光孔の口径をｍ２、出射光側ホルダー
    ケースの光導出口の口径をｍ３としたとき、それ
    ぞれの口径がｍ１＜ｍ２＜ｍ３の関係を有し、か
    つｍ２ｍ１＜１．２に設定した実用新案登録請求
    の範囲第(1)項記載の光アイソレータ。
JP1987175414U 1987-11-17 1987-11-17 Pending JPH0179017U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987175414U JPH0179017U (ja) 1987-11-17 1987-11-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987175414U JPH0179017U (ja) 1987-11-17 1987-11-17

Publications (1)

Publication Number Publication Date
JPH0179017U true JPH0179017U (ja) 1989-05-26

Family

ID=31467208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987175414U Pending JPH0179017U (ja) 1987-11-17 1987-11-17

Country Status (1)

Country Link
JP (1) JPH0179017U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03125321U (ja) * 1990-03-30 1991-12-18
US7097644B2 (en) 2001-03-30 2006-08-29 Ethicon Endo-Surgery, Inc. Medical device with improved wall construction

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS474377U (ja) * 1971-02-08 1972-09-09
JPS6273227A (ja) * 1985-09-27 1987-04-03 Fujitsu Ltd 光アイソレ−タ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS474377U (ja) * 1971-02-08 1972-09-09
JPS6273227A (ja) * 1985-09-27 1987-04-03 Fujitsu Ltd 光アイソレ−タ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03125321U (ja) * 1990-03-30 1991-12-18
US7097644B2 (en) 2001-03-30 2006-08-29 Ethicon Endo-Surgery, Inc. Medical device with improved wall construction

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