JPS642216U - - Google Patents
Info
- Publication number
- JPS642216U JPS642216U JP9683287U JP9683287U JPS642216U JP S642216 U JPS642216 U JP S642216U JP 9683287 U JP9683287 U JP 9683287U JP 9683287 U JP9683287 U JP 9683287U JP S642216 U JPS642216 U JP S642216U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- optical
- crystal plate
- optical circulator
- plate
- 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
- 239000013307 optical fiber Substances 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
Description
第１Ａ図は本考案の光サーキユレータの一例を
示す概略図、第１Ｂ図はそれに使用される複屈折
結晶板の光学軸をＸ，Ｙ面に射影した場合の図、
第２図は各素子の配置の調整方法を説明するため
の図、第３図は本考案のサーキユレータ機能の説
明図、第４Ａ図及び第４Ｂ図は本考案サーキユレ
ータの使用例を示すブロツク図、第５図は本考案
の効果説明のための特性図、第６図は本考案者が
先に提案した光サーキユレータの概略図である。
１，１′…光サーキユレータ、２，４，６…複
屈折結晶板、３，５…磁気光学効果板、７…レン
ズ、９…磁石、ＦＢ１乃至ＦＢ３…第１乃至第３
の光フアイバ。
FIG. 1A is a schematic diagram showing an example of the optical circulator of the present invention, and FIG. 1B is a diagram of the optical axis of the birefringent crystal plate used therein projected onto the X and Y planes.
FIG. 2 is a diagram for explaining how to adjust the arrangement of each element, FIG. 3 is an explanatory diagram of the function of the circulator of the present invention, and FIGS. 4A and 4B are block diagrams showing examples of use of the circulator of the present invention. FIG. 5 is a characteristic diagram for explaining the effects of the present invention, and FIG. 6 is a schematic diagram of an optical circulator previously proposed by the present inventor. 1, 1'... Optical circulator, 2, 4, 6... Birefringent crystal plate, 3, 5... Magneto-optic effect plate, 7... Lens, 9... Magnet, FB1 to FB3... First to third
optical fiber.
Claims (1)
光サーキユレータであつて第１及び第３の光フア
イバと第２の光フアイバとの間に第１の複屈折結
晶板、第１の磁気光学効果板、第２の複屈折結晶
板、第２の磁気光学効果板、第３の複屈折結晶板
及びロツドレンズをこの順序に並べて一体化し、
第１の光フアイバから入射する光の或る偏光成分
のみが第２の光フアイバから送信光として出射し
、第２の光フアイバから入射する光は第３の光フ
アイバから受信光として出射する機能を持たせた
ことを特徴とする光サーキユレータ。 (2) 前記ロツドレンズと前記第２の光フアイバ
の端面とは所定距離ｌ２だけ離隔して配置されて
いる実用新案登録請求の範囲第１項記載の光サー
キユレータ。 (3) 前記所定距離ｌ２は、前記第２の光フアイ
バを移動可能に配置することにより調整可能であ
る実用新案登録請求の範囲第２項記載の光サーキ
ユレータ。 (4) 前記第２の光フアイバ端面は傾斜面に形成
されている実用新案登録請求の範囲第２項又は第
３項のいずれか１項に記載の光サーキユレータ。[Claims for Utility Model Registration] (1) An optical circulator having first, second and third optical fibers, wherein a first optical fiber is provided between the first and third optical fibers and the second optical fiber. A birefringent crystal plate, a first magneto-optic effect plate, a second birefringence crystal plate, a second magneto-optic effect plate, a third birefringence crystal plate, and a rod lens are arranged in this order and integrated,
A function in which only a certain polarized component of the light incident on the first optical fiber is emitted from the second optical fiber as transmitted light, and the light incident on the second optical fiber is emitted from the third optical fiber as received light. An optical circulator characterized by having. (2) The optical circulator according to claim 1, wherein the rod lens and the end face of the second optical fiber are spaced apart by a predetermined distance l2 . (3) The optical circulator according to claim 2, wherein the predetermined distance l2 can be adjusted by movably arranging the second optical fiber. (4) The optical circulator according to claim 2 or 3, wherein the second optical fiber end face is formed as an inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9683287U JPS642216U (en) | 1987-06-23 | 1987-06-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9683287U JPS642216U (en) | 1987-06-23 | 1987-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS642216U true JPS642216U (en) | 1989-01-09 |
Family
ID=30963050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9683287U Pending JPS642216U (en) | 1987-06-23 | 1987-06-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS642216U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05241102A (en) * | 1992-03-03 | 1993-09-21 | Tokin Corp | Three-terminal optical circulator |
-
1987
- 1987-06-23 JP JP9683287U patent/JPS642216U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05241102A (en) * | 1992-03-03 | 1993-09-21 | Tokin Corp | Three-terminal optical circulator |
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