JPS61104354U - - Google Patents

Info

Publication number
JPS61104354U
JPS61104354U JP18974484U JP18974484U JPS61104354U JP S61104354 U JPS61104354 U JP S61104354U JP 18974484 U JP18974484 U JP 18974484U JP 18974484 U JP18974484 U JP 18974484U JP S61104354 U JPS61104354 U JP S61104354U
Authority
JP
Japan
Prior art keywords
laser beam
measuring device
angle measuring
divergence angle
focusing lens
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
JP18974484U
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 JP18974484U priority Critical patent/JPS61104354U/ja
Publication of JPS61104354U publication Critical patent/JPS61104354U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)

Description

【図面の簡単な説明】
第1図、第2図は本考案の第1および第2の実
施例の構成図、第3図a,bは従来のレーザビー
ム拡がり角測定装置の構成図である。図において
、 1……集光レンズ、2……反射鏡、3……ピン
ホール、4……光検出器、5……テレビカメラ、
6……モニタ、7……CCD素子(又は写真フイ
ルム)、8……レーザビームである。

Claims (1)

    【実用新案登録請求の範囲】
  1. 長焦点距離の集光レンズを用いてレーザ光を集
    光し、前記焦点に置いたピンホールを通過するエ
    ネルギの割合を光検出手段により測定するレーザ
    ビーム拡がり角測定装置において、前記集光レン
    ズと前記ピンホールとの間にレーザ光を減衰させ
    るように適度に反射率を下げた多層膜蒸着からな
    る反射鏡を設けたことを特徴とするレーザビーム
    拡がり角測定装置。
JP18974484U 1984-12-14 1984-12-14 Pending JPS61104354U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18974484U JPS61104354U (ja) 1984-12-14 1984-12-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18974484U JPS61104354U (ja) 1984-12-14 1984-12-14

Publications (1)

Publication Number Publication Date
JPS61104354U true JPS61104354U (ja) 1986-07-02

Family

ID=30747190

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18974484U Pending JPS61104354U (ja) 1984-12-14 1984-12-14

Country Status (1)

Country Link
JP (1) JPS61104354U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01168843U (ja) * 1988-05-19 1989-11-28

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01168843U (ja) * 1988-05-19 1989-11-28

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