JPS63140507U - - Google Patents
Info
- Publication number
- JPS63140507U JPS63140507U JP3218687U JP3218687U JPS63140507U JP S63140507 U JPS63140507 U JP S63140507U JP 3218687 U JP3218687 U JP 3218687U JP 3218687 U JP3218687 U JP 3218687U JP S63140507 U JPS63140507 U JP S63140507U
- Authority
- JP
- Japan
- Prior art keywords
- port
- light
- switching element
- light source
- beam splitter
- 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
Links
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 2
- 239000013307 optical fiber Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の一実施例を示す構成説明図、
第２図は他の実施例を示す要部構成説明図、第３
図、第４図は偏光ビームスプリツタのクロストー
クの状態を示す説明図、第５図は従来例を示す構
成説明図である。
〜…第１〜第３のポート、８ａ〜８ｃ…ロ
ツドレンズ、９…基準光源（レーザ）、２０…ス
イツチブロツク、２１…第１の偏光ビームスプリ
ツタ、２２…第２の偏光ビームスプリツタ、２３
，２４…スイツチング素子、２５…光電変換素子
、３３…アンプ、３４…同期信号発生装置、３５
，３６…ドライバ、４０…制御装置。
FIG. 1 is a configuration explanatory diagram showing an embodiment of the present invention;
Figure 2 is an explanatory diagram of the main part configuration showing another embodiment;
4 are explanatory diagrams showing the state of crosstalk of a polarizing beam splitter, and FIG. 5 is an explanatory diagram showing a configuration of a conventional example. ...First to third ports, 8a to 8c... Rod lens, 9... Reference light source (laser), 20... Switch block, 21... First polarizing beam splitter, 22... Second polarizing beam splitter, 23
, 24... Switching element, 25... Photoelectric conversion element, 33... Amplifier, 34... Synchronization signal generator, 35
, 36...driver, 40...control device.
Claims (1)
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、前記光フア
イバ中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Ｏ
ＴＤＲ光スイツチにおいて、前記第１のポートに
基準光源を、前記第３のポートに光電変換素子を
直接固定するとともに前記レーザ光源からは垂直
偏光波（Ｓ波）を出射させるようにしたことを特
徴とする光スイツチ。 a first port that emits light from a reference light source;
A second port that outputs the light emitted from the first port to the optical fiber to be measured via a polarizing beam splitter, a switching element, etc., and a second port that outputs the light emitted from the first port to the optical fiber to be measured via a polarizing beam splitter, a switching element, etc. An optical converter equipped with a photoelectric conversion element that receives light through a pritter, a switching element, and a third port.
The TDR optical switch is characterized in that a reference light source is directly fixed to the first port, a photoelectric conversion element is directly fixed to the third port, and vertically polarized waves (S waves) are emitted from the laser light source. light switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3218687U JPS63140507U (en) | 1987-03-05 | 1987-03-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3218687U JPS63140507U (en) | 1987-03-05 | 1987-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63140507U true JPS63140507U (en) | 1988-09-16 |
Family
ID=30838624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3218687U Pending JPS63140507U (en) | 1987-03-05 | 1987-03-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63140507U (en) |
-
1987
- 1987-03-05 JP JP3218687U patent/JPS63140507U/ja active Pending