JPH01108520U - - Google Patents
Info
- Publication number
- JPH01108520U JPH01108520U JP251888U JP251888U JPH01108520U JP H01108520 U JPH01108520 U JP H01108520U JP 251888 U JP251888 U JP 251888U JP 251888 U JP251888 U JP 251888U JP H01108520 U JPH01108520 U JP H01108520U
- Authority
- JP
- Japan
- Prior art keywords
- electromagnet
- polarizers
- degrees
- optical
- pair
- 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
- 230000003287 optical effect Effects 0.000 claims 4
- 230000010287 polarization Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 1
Description
第１図Ａ，Ｂは、本考案による一実施例の構成
図、第２図Ａ，Ｂは、従来例の構成図である。
１０ａ，１０ｂ……偏光ビームスプリツタ、１
２……フアラデー素子、１４……電磁石、１６…
…スイツチ、１８……直流電源、２４ａ，２４ｂ
，２４ｃ……レンズ、２６……フアイバ、２８…
…ミラー、３０……可動部、３２……スプリング
、３４……支持部、３６……ヨーク、３８……コ
イル、４０……スイツチ、４２……直流電源。
FIGS. 1A and 1B are block diagrams of an embodiment of the present invention, and FIGS. 2A and 2B are block diagrams of a conventional example. 10a, 10b...Polarizing beam splitter, 1
2... Faraday element, 14... Electromagnet, 16...
...Switch, 18...DC power supply, 24a, 24b
, 24c...lens, 26...fiber, 28...
...Mirror, 30...Movable part, 32...Spring, 34...Support part, 36...Yoke, 38...Coil, 40...Switch, 42...DC power supply.
Claims (1)
おいて、偏波面４５度回転するフアラデー素子１
２とその両側に一対の偏光子１０ａ，１０ｂを設
け、前記一対の偏光子１０ａ，１０ｂの偏波面の
角度を互いに４５度傾け、フアラデー素子１２に
光軸に沿つて磁界を印加する電磁石１４と前記電
磁石１４に電流を与える直流電源１８と前記電流
の方向を切り換えるスイツチ１６を設けたことを
特徴とする光スイツチ。 In an optical switch that switches incident light into two optical paths, a Faraday element 1 that rotates the plane of polarization by 45 degrees
2 and a pair of polarizers 10a, 10b on both sides thereof, the polarization planes of the pair of polarizers 10a, 10b are tilted by 45 degrees to each other, and an electromagnet 14 applies a magnetic field to the Faraday element 12 along the optical axis. An optical switch characterized in that it is provided with a DC power supply 18 that supplies current to the electromagnet 14 and a switch 16 that switches the direction of the current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP251888U JPH01108520U (en) | 1988-01-14 | 1988-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP251888U JPH01108520U (en) | 1988-01-14 | 1988-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01108520U true JPH01108520U (en) | 1989-07-21 |
Family
ID=31203351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP251888U Pending JPH01108520U (en) | 1988-01-14 | 1988-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01108520U (en) |
-
1988
- 1988-01-14 JP JP251888U patent/JPH01108520U/ja active Pending
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