JPS61104574U - - Google Patents

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Publication number
JPS61104574U
JPS61104574U JP18914684U JP18914684U JPS61104574U JP S61104574 U JPS61104574 U JP S61104574U JP 18914684 U JP18914684 U JP 18914684U JP 18914684 U JP18914684 U JP 18914684U JP S61104574 U JPS61104574 U JP S61104574U
Authority
JP
Japan
Prior art keywords
optical system
beam splitter
polarizing beam
light
quarter
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
JP18914684U
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 JP18914684U priority Critical patent/JPS61104574U/ja
Publication of JPS61104574U publication Critical patent/JPS61104574U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】
第１図はこの考案の実施例を示す概略構成図、
第２図はこの考案の実施例を示す概略構成図、第
３図は従来例を示す概略構成図である。 １１…半導体レーザ・ダイオード、１２…偏光
ビーム・スプリツタ、１３…１／４波長板、１４
…凸レンズ、１５…フオトダイオード、Ｍ…被検
出物体。

Claims (1)

  1. 【実用新案登録請求の範囲】 光学系と光学系の焦点面との間に配置され、平
    行偏光を透過し、垂直偏光を反射する偏光ビーム
    ・スプリツタ、 偏光ビーム・スプリツタと光学系との間に配置
    された１／４波長板、 出力光が、偏光ビーム・スプリツタ、１／４波
    長板および光学系を経て被検出物体に入射される
    ように配置された半導体レーザ・ダイオードなら
    びに 被検出物体によつて反射されかつ光学系、１／
    ４波長板および偏光ビーム・スプリツタを経て送
    られてくる光を受光するための受光素子、 を備えている反射形光電検出器。
JP18914684U 1984-12-13 1984-12-13 Pending JPS61104574U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18914684U JPS61104574U (ja) 1984-12-13 1984-12-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18914684U JPS61104574U (ja) 1984-12-13 1984-12-13

Publications (1)

Publication Number Publication Date
JPS61104574U true JPS61104574U (ja) 1986-07-03

Family

ID=30746606

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18914684U Pending JPS61104574U (ja) 1984-12-13 1984-12-13

Country Status (1)

Country Link
JP (1) JPS61104574U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010080492A (ja) * 2008-09-24 2010-04-08 Pulstec Industrial Co Ltd フォトインタラプタ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010080492A (ja) * 2008-09-24 2010-04-08 Pulstec Industrial Co Ltd フォトインタラプタ

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