JPS62109133U - - Google Patents
Info
- Publication number
- JPS62109133U JPS62109133U JP20039785U JP20039785U JPS62109133U JP S62109133 U JPS62109133 U JP S62109133U JP 20039785 U JP20039785 U JP 20039785U JP 20039785 U JP20039785 U JP 20039785U JP S62109133 U JPS62109133 U JP S62109133U
- Authority
- JP
- Japan
- Prior art keywords
- polarizer
- optical fiber
- polarizers
- input end
- coiled
- 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 7
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 1
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Description
第１図は本考案のコイル型光フアイバ偏光子を
用いた回転型光減衰器の一実施例を示す構成図、
第２図は楕円ジヤケツト型偏波面保存光フアイバ
の断面をＸ方向、Ｙ方向の屈折率分布を示す図で
ある。
１ａ，１ｂ…コイル型光フアイバ偏光子、２…
ロータリージヨイント。
FIG. 1 is a configuration diagram showing an embodiment of a rotary optical attenuator using a coiled optical fiber polarizer of the present invention;
FIG. 2 is a diagram showing the refractive index distribution in the X direction and the Y direction of a cross section of an elliptical jacket type polarization maintaining optical fiber. 1a, 1b...Coil type optical fiber polarizer, 2...
rotary joint.
Claims (1)
くとも１回巻いてコイル状とした２つのコイル型
光フアイバ偏光子と、該２つのコイル型光フアイ
バ偏光子の一方の偏光子の出射端と他方の偏光子
の入射端とを接続するロータリージヨイントとよ
りなり、前記いずれか一方の偏光子を回転させる
構造としたことを特徴とするコイル型光フアイバ
偏光子を用いた回転型光減衰器。 Two coiled optical fiber polarizers made of an elliptical jacket type polarization-maintaining optical fiber wound at least once to form a coil, and an output end of one polarizer and the other polarizer of the two coiled optical fiber polarizers. A rotary optical attenuator using a coiled optical fiber polarizer, characterized in that the rotary joint connects the input end of the polarizer to the input end of the polarizer, and has a structure in which one of the polarizers is rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20039785U JPS62109133U (en) | 1985-12-26 | 1985-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20039785U JPS62109133U (en) | 1985-12-26 | 1985-12-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62109133U true JPS62109133U (en) | 1987-07-11 |
Family
ID=31162870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20039785U Pending JPS62109133U (en) | 1985-12-26 | 1985-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62109133U (en) |
-
1985
- 1985-12-26 JP JP20039785U patent/JPS62109133U/ja active Pending
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