JPS60163406U - Optical branching and coupling circuit - Google Patents
Optical branching and coupling circuitInfo
- Publication number
- JPS60163406U JPS60163406U JP5015884U JP5015884U JPS60163406U JP S60163406 U JPS60163406 U JP S60163406U JP 5015884 U JP5015884 U JP 5015884U JP 5015884 U JP5015884 U JP 5015884U JP S60163406 U JPS60163406 U JP S60163406U
- Authority
- JP
- Japan
- Prior art keywords
- light
- polarizing plate
- optical
- incident
- coupling circuit
- 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
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の光分岐結合回路の例を示す図であり、第
２図は本考案の一実施例の光分岐結合回路を示す図であ
る。
図において、１，２，１１，１２・・・光ファイバ、３
，１３・・・受光素子、４，１４・・・発光素子、５．
６・・・プリズム型偏光ビームスプリッタ、７゜８・・
・反射鏡、９，１９・・・半波長板、１５．１６・・・
Ｓｉ積層偏光板、１７．１８・・・レンズである。FIG. 1 is a diagram showing an example of a conventional optical branching/coupling circuit, and FIG. 2 is a diagram showing an optical branching/coupling circuit according to an embodiment of the present invention. In the figure, 1, 2, 11, 12... optical fiber, 3
, 13... Light receiving element, 4, 14... Light emitting element, 5.
6...Prism type polarizing beam splitter, 7°8...
・Reflector, 9, 19... Half-wave plate, 15.16...
Si laminated polarizing plate, 17.18...lens.
Claims (1)
素子の出射光がブリュースター角で入射するように配置
された入射側偏光板と、前記偏光板の透過光と出射光と
の光軸を一坦平行化し、その後再び交叉せしめる光学系
と、交叉せしめた位置に前記透過光と出射光とをブルー
スター角で入射せしめるように配置した出射側の偏光板
と、前記光学系内に配置され前記入射側偏光板の透過光
もしくは反射光のいずれか一方のみの光路上に配置され
た偏光変換素子と、前記出射側の偏光板の透過光および
反射光の各光路上に光ファイバおよび受光素子とが配置
されていることを特徴とする光分岐結合回路。 １An optical fiber, a light emitting element, an incident-side polarizing plate arranged so that the light emitted from the optical fiber and the light emitting element are incident at Brewster's angle, and the optical axes of the transmitted light and the emitted light of the polarizing plate are aligned. an optical system that flattens and then crosses each other again; a polarizing plate on the output side that is arranged so that the transmitted light and the output light are incident at the crossed position at a Brewster's angle; A polarization conversion element disposed on the optical path of only one of the transmitted light and the reflected light of the polarizing plate on the input side, and an optical fiber and a light receiving element disposed on each optical path of the transmitted light and the reflected light of the polarizing plate on the output side. An optical branching/coupling circuit characterized in that: 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5015884U JPS60163406U (en) | 1984-04-05 | 1984-04-05 | Optical branching and coupling circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5015884U JPS60163406U (en) | 1984-04-05 | 1984-04-05 | Optical branching and coupling circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60163406U true JPS60163406U (en) | 1985-10-30 |
Family
ID=30568029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5015884U Pending JPS60163406U (en) | 1984-04-05 | 1984-04-05 | Optical branching and coupling circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60163406U (en) |
-
1984
- 1984-04-05 JP JP5015884U patent/JPS60163406U/en active Pending
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