JPS5966225U - optical branch circuit - Google Patents
optical branch circuitInfo
- Publication number
- JPS5966225U JPS5966225U JP16004782U JP16004782U JPS5966225U JP S5966225 U JPS5966225 U JP S5966225U JP 16004782 U JP16004782 U JP 16004782U JP 16004782 U JP16004782 U JP 16004782U JP S5966225 U JPS5966225 U JP S5966225U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- light
- lens
- optical fiber
- prism
- 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
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の光偏向器を用いた光分岐回路を示す構成
説明図、第２図は本考案光分岐回路の一実施例を示す構
成説明図、第３図は第２図の光分岐回路を多モード光フ
ァイバに応用した例を示す 、構成説明図、第４図は
第２図の光分岐回路を単一モード光ファイバに応用した
例を示す構成説明図、第５図及び第６図は本考案の他の
実施例を示す構成説明図である。
１１・・・・・・単一モード光ファイバコード、２１゜
２２．２３．２４・・・・・・円柱レンズ、１１′・・
・・・・多モード光ファイバコード、３・・・・・・光
偏向器、４・・・・・・分離プリズム、４′・・・・・
・分離プリズム、４′−”１・・・・・・プリズム可動
用電磁石、１２・・・・・・単一モード光ファイバコー
ド、１３・・・・・・多モード光ファイバコード、１４
・・・・・・多モード光ファイバコード、５・・・・・
・光減衰器、５−１・・・・・・光減衰型可動用電磁石
、６・・・・・・全反射鏡、６−１・・・・・・全反射
鏡可動用電磁石。Fig. 1 is a configuration explanatory diagram showing an optical branching circuit using a conventional optical deflector, Fig. 2 is a configuration explanatory diagram showing an embodiment of the optical branching circuit of the present invention, and Fig. 3 is an optical branching diagram of Fig. 2. 4 is a configuration explanatory diagram showing an example in which the circuit is applied to a multi-mode optical fiber. FIG. 4 is a configuration explanatory diagram showing an example in which the optical branch circuit in FIG. 2 is applied to a single-mode optical fiber. The figure is a configuration explanatory diagram showing another embodiment of the present invention. 11...Single mode optical fiber cord, 21°22.23.24...Cylindrical lens, 11'...
...Multimode optical fiber cord, 3...Optical deflector, 4...Separation prism, 4'...
- Separation prism, 4'-"1... Prism movable electromagnet, 12... Single mode optical fiber cord, 13... Multimode optical fiber cord, 14
...Multimode optical fiber cord, 5...
- Optical attenuator, 5-1... Optical attenuation type movable electromagnet, 6... Total reflection mirror, 6-1... Total reflection mirror movable electromagnet.
Claims (1)
フアイバコードの出射光を平行化する第１のレンズと、
この第１のレンズからの平行光の進行方向を電気信号に
より変えることができる光偏向器と、この光偏向器を経
由した光の光路に挿入脱出自在に設けられた全反射鏡も
しくはプリズムと、この全反射鏡もしくはプリズムの挿
入時に前記光偏向器を経由した光を被測定多モード光フ
ァイバに入射させるための第２のレンズと、前記全反射
鏡もしくはプリズムの脱出時に前記光偏向器を経由した
光を被測定単一モード光ファイバに入射させるための第
３のレンズと、前記全反射鏡もしくはプリズムの挿入時
に前記被測定多モード光ファイバからの反射および散乱
光を前記第２のレンズ及び光偏向器を経た後または前記
全反射鏡もしくはプリズムの脱出時に前記被測定単一モ
ードファイバからの反射および散乱光を前記第３のレン
ズ及び光偏向器を経た後受光器に導くための栄光用プリ
ズム、第４のレンズ及び受光用光ファイバとを具備した
ことを特徴とする光分岐回路。an optical fiber cord into which light from a light source enters; a first lens that collimates the light emitted from the optical fiber cord;
an optical deflector capable of changing the direction of travel of the parallel light from the first lens by an electric signal; a total reflection mirror or prism that is freely inserted into and removed from the optical path of the light that has passed through the optical deflector; A second lens for making the light that has passed through the optical deflector enter the multimode optical fiber to be measured when the total reflection mirror or prism is inserted, and a second lens that passes through the optical deflector when the total reflection mirror or prism exits. a third lens for directing the reflected light from the multimode optical fiber to be measured into the single mode optical fiber to be measured; After passing through the optical deflector or when escaping the total reflection mirror or prism, the reflected and scattered light from the single mode fiber to be measured is guided to the optical receiver after passing through the third lens and the optical deflector. An optical branching circuit comprising a prism, a fourth lens, and a light-receiving optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16004782U JPS5966225U (en) | 1982-10-22 | 1982-10-22 | optical branch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16004782U JPS5966225U (en) | 1982-10-22 | 1982-10-22 | optical branch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5966225U true JPS5966225U (en) | 1984-05-02 |
Family
ID=30352140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16004782U Pending JPS5966225U (en) | 1982-10-22 | 1982-10-22 | optical branch circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5966225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63115142A (en) * | 1986-10-31 | 1988-05-19 | Nec Corp | Acoustooptic switch |
-
1982
- 1982-10-22 JP JP16004782U patent/JPS5966225U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63115142A (en) * | 1986-10-31 | 1988-05-19 | Nec Corp | Acoustooptic switch |
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