JPH01111209U - - Google Patents
Info
- Publication number
- JPH01111209U JPH01111209U JP539288U JP539288U JPH01111209U JP H01111209 U JPH01111209 U JP H01111209U JP 539288 U JP539288 U JP 539288U JP 539288 U JP539288 U JP 539288U JP H01111209 U JPH01111209 U JP H01111209U
- Authority
- JP
- Japan
- Prior art keywords
- ferrule
- optical fiber
- semiconductor laser
- holder
- holding
- 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 9
- 239000004065 semiconductor Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Description
第１図は本考案に係わる半導体レーザ・光フア
イバ結合器の一実施例を示す縦断面図、第２図は
マスターフエルールを示す斜視図、第３図はガー
ドパイプの斜視図、第４図は溶接箇所を示す図、
第５図は光フアイバの光軸に垂直方向の軸ずれ量
と結合効率の劣化量を示す図、第６図は偏心フエ
ルールの斜視図、第７図、第８図は従来の半導体
レーザ・光フアイバ結合器の一例を示す縦断面図
と平面図である。
１０……半導体レーザ、１４……レンズ、１５
……ホルダ、１６……光フアイバ、１７……フエ
ルール、１９……ガードパイプ、１９ａ……穴。
Fig. 1 is a longitudinal cross-sectional view showing an embodiment of the semiconductor laser/optical fiber coupler according to the present invention, Fig. 2 is a perspective view showing the master ferrule, Fig. 3 is a perspective view of the guard pipe, and Fig. 4. is a diagram showing the welding location,
Figure 5 is a diagram showing the amount of axis deviation in the direction perpendicular to the optical axis of the optical fiber and the amount of deterioration in coupling efficiency. Figure 6 is a perspective view of an eccentric ferrule. Figures 7 and 8 are diagrams showing conventional semiconductor lasers and optical fibers. FIG. 2 is a longitudinal cross-sectional view and a plan view showing an example of a fiber coupler. 10... Semiconductor laser, 14... Lens, 15
...Holder, 16...Optical fiber, 17...Ferrule, 19...Guard pipe, 19a...Hole.
Claims (1)
光フアイバに結合する半導体レーザ・光フアイバ
結合器において、前記半導体レーザとレンズを保
持固定するホルダと、前記光フアイバを保持固定
するフエルールとを備えてなり、このホルダとフ
エルールとは、フエルールの外径よりもわずかに
大きい穴を有するガードパイプを介して固定され
ており、かつ前記フエルール内の光フアイバのコ
ア中心がフエルールの中心に対して偏心している
ことを特徴とする半導体レーザ・光フアイバ結合
器。 A semiconductor laser/optical fiber coupler that couples emitted light from a semiconductor laser to an optical fiber via a lens system, comprising: a holder for holding and fixing the semiconductor laser and the lens; and a ferrule for holding and fixing the optical fiber. This holder and ferrule are fixed via a guard pipe having a hole slightly larger than the outer diameter of the ferrule, and the core center of the optical fiber in the ferrule is eccentric to the center of the ferrule. A semiconductor laser/optical fiber coupler characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP539288U JPH01111209U (en) | 1988-01-21 | 1988-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP539288U JPH01111209U (en) | 1988-01-21 | 1988-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01111209U true JPH01111209U (en) | 1989-07-26 |
Family
ID=31208731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP539288U Pending JPH01111209U (en) | 1988-01-21 | 1988-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01111209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07287149A (en) * | 1994-02-22 | 1995-10-31 | Matsushita Electric Ind Co Ltd | Photosemiconductor module and its manufacture |
-
1988
- 1988-01-21 JP JP539288U patent/JPH01111209U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07287149A (en) * | 1994-02-22 | 1995-10-31 | Matsushita Electric Ind Co Ltd | Photosemiconductor module and its manufacture |