JPS62113421U - - Google Patents

Info

Publication number
JPS62113421U
JPS62113421U JP20393985U JP20393985U JPS62113421U JP S62113421 U JPS62113421 U JP S62113421U JP 20393985 U JP20393985 U JP 20393985U JP 20393985 U JP20393985 U JP 20393985U JP S62113421 U JPS62113421 U JP S62113421U
Authority
JP
Japan
Prior art keywords
optical head
light
conical shape
optical
oblique
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
JP20393985U
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 JP20393985U priority Critical patent/JPS62113421U/ja
Publication of JPS62113421U publication Critical patent/JPS62113421U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)

Description

【図面の簡単な説明】
第1図は本案を適用した光学ヘツドの光学系を
示す構成図、第2図は本案に係るその要部を示す
部分構成図である。 30…光拡散部材、301…円すい面(光拡散
面)、10…光学ヘツド本体、11…対物レンズ
、12…2軸アクチユエータ、13…半導体レー
ザ、14…コリメータレンズ、15…アナモルフ
イツクバイプリズム、16…ビームスプリツタ、
{17…1/2波長板、18…凸レンズ、19…
偏光ビームスプリツタ、21…凹レンズ、22…
円筒レンズ、20,23…光検出器、}光検出系
、D…デイスク(媒体)、F…ビーム(光路)。

Claims (1)

    【実用新案登録請求の範囲】
  1. レンズ光源から出射されるレーザ光の光路上に
    設けたビームスプリツタを介して、媒体からの戻
    り光を90度偏向させ検出光学系に導く光学ヘツ
    ドにおいて、前記ビームスプリツタを挾んで前記
    検出系と対向するオプトベース側壁に、略円錐形
    状もしくは斜め円錐形状、斜め円柱形状等をした
    光拡散面を有する光拡散体を配設したことを特徴
    とする光学ヘツド。
JP20393985U 1985-12-28 1985-12-28 Pending JPS62113421U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20393985U JPS62113421U (ja) 1985-12-28 1985-12-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20393985U JPS62113421U (ja) 1985-12-28 1985-12-28

Publications (1)

Publication Number Publication Date
JPS62113421U true JPS62113421U (ja) 1987-07-18

Family

ID=31169739

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20393985U Pending JPS62113421U (ja) 1985-12-28 1985-12-28

Country Status (1)

Country Link
JP (1) JPS62113421U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007057859A (ja) * 2005-08-25 2007-03-08 Sumitomo Electric Ind Ltd 光送受信モジュール

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007057859A (ja) * 2005-08-25 2007-03-08 Sumitomo Electric Ind Ltd 光送受信モジュール

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