JPS59194726U - optical demultiplexer - Google Patents
optical demultiplexerInfo
- Publication number
- JPS59194726U JPS59194726U JP8824283U JP8824283U JPS59194726U JP S59194726 U JPS59194726 U JP S59194726U JP 8824283 U JP8824283 U JP 8824283U JP 8824283 U JP8824283 U JP 8824283U JP S59194726 U JPS59194726 U JP S59194726U
- Authority
- JP
- Japan
- Prior art keywords
- film filter
- interference film
- optical demultiplexer
- reflected light
- reflecting
- 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 Filters (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図は従来の光分波器の構成図、第２図は本考案の一
実施例である光分波器の構成図である。
１；筐体ミ２；ロッドレンズ、３；干渉膜フィルタ、４
；全反射ミラー、５；光ファイバ、６；干渉膜フィルタ
。FIG. 1 is a block diagram of a conventional optical demultiplexer, and FIG. 2 is a block diagram of an optical demultiplexer which is an embodiment of the present invention. 1; Housing 2; Rod lens, 3; Interference film filter, 4
; Total reflection mirror; 5; Optical fiber; 6; Interference film filter.
Claims (1)
反射光と透過光が得られるごとく形成された第１の干渉
膜フィルタと、この第１の干渉膜フィルタの上記反射光
を再び反射させる反射手段とを有する光分波器において
、上記反射手段に近接した上記反射光の光路に上記第１
の干渉膜フィルタと同じ特性の第２干渉膜フイルタを設
置し、この第２の干渉膜フィルタを上記反射光が２度通
過するごとく構成したことを特徴とする光分波器。 ２ 上記反射手段が、全反射ミラーである実用新案登録
請求の範囲第１項記載の光分波器。 ３ 上記反射手段が、上記第１の干渉膜フィルタと同じ
特性の干渉膜フィルタである実用新案登録請求の範囲第
１項記載の光分波器。[Claims for Utility Model Registration] 1. A first interference film filter arranged at an angle with respect to the incident light flux and formed so as to obtain reflected light and transmitted light of different wavelengths, and this first interference film filter. a reflection means for re-reflecting the reflected light of the reflector;
An optical demultiplexer characterized in that a second interference film filter having the same characteristics as the interference film filter is installed, and the reflected light is configured to pass through the second interference film filter twice. 2. The optical demultiplexer according to claim 1, wherein the reflecting means is a total reflection mirror. 3. The optical demultiplexer according to claim 1, wherein the reflecting means is an interference film filter having the same characteristics as the first interference film filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8824283U JPS59194726U (en) | 1983-06-09 | 1983-06-09 | optical demultiplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8824283U JPS59194726U (en) | 1983-06-09 | 1983-06-09 | optical demultiplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59194726U true JPS59194726U (en) | 1984-12-25 |
Family
ID=30218154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8824283U Pending JPS59194726U (en) | 1983-06-09 | 1983-06-09 | optical demultiplexer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59194726U (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5456851A (en) * | 1977-10-14 | 1979-05-08 | Nippon Selfoc Co Ltd | Optical filter |
| JPS5617305A (en) * | 1979-07-20 | 1981-02-19 | Matsushita Electric Ind Co Ltd | Light branching coupler |
| JPS5748710A (en) * | 1980-09-09 | 1982-03-20 | Matsushita Electric Ind Co Ltd | Optical wave branching filter |
| JPS57109915A (en) * | 1980-12-26 | 1982-07-08 | Toshiba Corp | Optical circuit element |
| JPS58149019A (en) * | 1982-03-01 | 1983-09-05 | Nippon Telegr & Teleph Corp <Ntt> | Optical multiplexer and demultiplexer |
| JPS59211015A (en) * | 1983-05-16 | 1984-11-29 | Nippon Telegr & Teleph Corp <Ntt> | Optical multiplexer and demultiplexer |
-
1983
- 1983-06-09 JP JP8824283U patent/JPS59194726U/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5456851A (en) * | 1977-10-14 | 1979-05-08 | Nippon Selfoc Co Ltd | Optical filter |
| JPS5617305A (en) * | 1979-07-20 | 1981-02-19 | Matsushita Electric Ind Co Ltd | Light branching coupler |
| JPS5748710A (en) * | 1980-09-09 | 1982-03-20 | Matsushita Electric Ind Co Ltd | Optical wave branching filter |
| JPS57109915A (en) * | 1980-12-26 | 1982-07-08 | Toshiba Corp | Optical circuit element |
| JPS58149019A (en) * | 1982-03-01 | 1983-09-05 | Nippon Telegr & Teleph Corp <Ntt> | Optical multiplexer and demultiplexer |
| JPS59211015A (en) * | 1983-05-16 | 1984-11-29 | Nippon Telegr & Teleph Corp <Ntt> | Optical multiplexer and demultiplexer |
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