JPH0171715U - - Google Patents

Info

Publication number
JPH0171715U
JPH0171715U JP1987165884U JP16588487U JPH0171715U JP H0171715 U JPH0171715 U JP H0171715U JP 1987165884 U JP1987165884 U JP 1987165884U JP 16588487 U JP16588487 U JP 16588487U JP H0171715 U JPH0171715 U JP H0171715U
Authority
JP
Japan
Prior art keywords
port
beam splitter
switching element
polarizing beam
optical switch
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.)
Granted
Application number
JP1987165884U
Other languages
English (en)
Other versions
JPH0532746Y2 (ja
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 JP1987165884U priority Critical patent/JPH0532746Y2/ja
Publication of JPH0171715U publication Critical patent/JPH0171715U/ja
Application granted granted Critical
Publication of JPH0532746Y2 publication Critical patent/JPH0532746Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Testing Of Optical Devices Or Fibers (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す要部平面図、
第2図は、第3図は他の実施例を示す要部平面図
、第4図は従来例を示す平面図である。 〜…第1〜第6の入出力ポート、20…ス
イツチブロツク、21,22,42,43…第1
〜第4の偏光ビームスプリツタ、23〜26…ス
イツチング素子。

Claims (1)

    【実用新案登録請求の範囲】
  1. 基準光源からの光を出射する第1のポートと、
    この第1のポートからの出射光を、偏光ビームス
    プリツタ、スイツチング素子等を介して被測定光
    フアイバに出射する第2のポートと、前記被測定
    光フアイバからのフレネル反射や後方散乱光を前
    記偏光ビームスプリツタ、スイツチング素子およ
    び第3のポートを介して受光する光電変換素子を
    備えたOTDR用光スイツチにおいて、前記第3
    のポートの後段に偏光ビームスプリツタおよびス
    イツチング素子からなる少なくとも一つの光スイ
    ツチを設けたことを特徴とするOTDR用光スイ
    ツチ。
JP1987165884U 1987-10-29 1987-10-29 Expired - Lifetime JPH0532746Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987165884U JPH0532746Y2 (ja) 1987-10-29 1987-10-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987165884U JPH0532746Y2 (ja) 1987-10-29 1987-10-29

Publications (2)

Publication Number Publication Date
JPH0171715U true JPH0171715U (ja) 1989-05-15
JPH0532746Y2 JPH0532746Y2 (ja) 1993-08-20

Family

ID=31452773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987165884U Expired - Lifetime JPH0532746Y2 (ja) 1987-10-29 1987-10-29

Country Status (1)

Country Link
JP (1) JPH0532746Y2 (ja)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6282338A (ja) * 1985-10-07 1987-04-15 Yokogawa Electric Corp 光フアイバ試験装置

Also Published As

Publication number Publication date
JPH0532746Y2 (ja) 1993-08-20

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