JPH0175202U - - Google Patents
Info
- Publication number
- JPH0175202U JPH0175202U JP1987168985U JP16898587U JPH0175202U JP H0175202 U JPH0175202 U JP H0175202U JP 1987168985 U JP1987168985 U JP 1987168985U JP 16898587 U JP16898587 U JP 16898587U JP H0175202 U JPH0175202 U JP H0175202U
- Authority
- JP
- Japan
- Prior art keywords
- core terminal
- terminal
- accommodates
- lenses
- lens
- 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
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
Description
第１図は本考案の光結合器を示す構成図、第２
図は本考案の光結合器の一実施例を示した構成図
、第３図は端末が光軸に対して△ｘだけずれた場
合を示す模式図、第４図は本考案と、従来の光結
合器における軸ずれ△ｘと付加損失ｄＢの関係を
示す比較図、第５図は従来の光結合器の一例を示
す構成図である。
１０……第１レンズ、１１……干渉膜フイルタ
、１２ａ，１２ｂ，１２ｃ……光フアイバ、１３
……二芯端末、１４……一芯端末、１５ａ，１５
ｂ……第２レンズ、１６……ホルダ、１６ａ……
円筒穴、１７ａ，１７ｂ……サポート。
Figure 1 is a configuration diagram showing the optical coupler of the present invention, Figure 2
The figure is a block diagram showing an embodiment of the optical coupler of the present invention, Figure 3 is a schematic diagram showing the case where the terminal is shifted by Δx with respect to the optical axis, and Figure 4 is a diagram showing the configuration of the optical coupler of the present invention and the conventional optical coupler. A comparative diagram showing the relationship between axis deviation Δx and additional loss dB in an optical coupler. FIG. 5 is a configuration diagram showing an example of a conventional optical coupler. 10...First lens, 11...Interference film filter, 12a, 12b, 12c...Optical fiber, 13
...Two-core terminal, 14...Single-core terminal, 15a, 15
b...Second lens, 16...Holder, 16a...
Cylindrical hole, 17a, 17b...Support.
Claims (1)
た干渉膜フイルタと、前記第１レンズと前記干渉
膜フイルタを円筒穴内に収容するホルダと、２本
の光フアイバを収容する二芯端末と、１本の光フ
アイバを収容する一芯端末と、この端末を前記ホ
ルダに固定するためのサポートと、第２レンズと
から構成されるとともに、前記第２レンズが二芯
端末の端面に一体固定され、前記サポートが二芯
端末外径と精密に嵌合する円筒穴を有し、前記二
芯端末中心と前記第１レンズの光軸とが一致する
様に二芯端末が前記円筒穴内に保持されているこ
とを特徴とする光結合器。 two first lenses, an interference film filter provided between the lenses, a holder that accommodates the first lenses and the interference film filter in a cylindrical hole, and a two-core terminal that accommodates two optical fibers. , consisting of a single-core terminal that accommodates one optical fiber, a support for fixing this terminal to the holder, and a second lens, and the second lens is integrally fixed to the end surface of the two-core terminal. and the support has a cylindrical hole that precisely fits the outer diameter of the two-core terminal, and the two-core terminal is held in the cylindrical hole so that the center of the two-core terminal and the optical axis of the first lens coincide. An optical coupler characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168985U JPH0175202U (en) | 1987-11-06 | 1987-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168985U JPH0175202U (en) | 1987-11-06 | 1987-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0175202U true JPH0175202U (en) | 1989-05-22 |
Family
ID=31458649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987168985U Pending JPH0175202U (en) | 1987-11-06 | 1987-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0175202U (en) |
-
1987
- 1987-11-06 JP JP1987168985U patent/JPH0175202U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2787225B2 (en) | Optical fiber connection device | |
| JPS6220809Y2 (en) | ||
| JPS6426710U (en) | ||
| JPS5810411U (en) | Multi-fiber for constant polarization light | |
| JPS63130702U (en) | ||
| JPH0244241Y2 (en) | ||
| JPH03117207U (en) | ||
| JPH0233007U (en) | ||
| JPS59114508U (en) | Optical axis coupling mechanism | |
| JPS59121621U (en) | Optical fiber coupling device | |
| JPS6242350U (en) | ||
| JPS62129515U (en) | ||
| JPS62134052U (en) | ||
| JPS62151516U (en) | ||
| JPS59104121U (en) | fiber optic input device | |
| JPS591015U (en) | optical waveguide | |
| JPS63141906U (en) | ||
| JPS6185814U (en) | ||
| JPS63105108U (en) | ||
| JPH0365104U (en) | ||
| JPS5920202U (en) | Single mode optical fiber coated core | |
| JPS6427629U (en) | ||
| JPS62118206U (en) | ||
| JPS62120709U (en) | ||
| JPS6445813U (en) |