JPS60153560U - semiconductor laser module - Google Patents
semiconductor laser moduleInfo
- Publication number
- JPS60153560U JPS60153560U JP4009684U JP4009684U JPS60153560U JP S60153560 U JPS60153560 U JP S60153560U JP 4009684 U JP4009684 U JP 4009684U JP 4009684 U JP4009684 U JP 4009684U JP S60153560 U JPS60153560 U JP S60153560U
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- laser module
- polarization
- lens
- polarizing plate
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案に係る半導体レーザモジュールの実施
例を示す斜視図、第２図は第１図の実施 ２例における
偏光板回転装置を示す正面図及び側面図である。
１・・・半導体レーザ、２・・・第１のレンズ、３・・
・第２のレンズ、４・・・偏波面保存ファイバ、１３・
・・偏光板、１４・・・偏光板回転装置。FIG. 1 is a perspective view showing an embodiment of a semiconductor laser module according to this invention, and FIG. 2 is a front view and a side view showing a polarizing plate rotating device in two embodiments of FIG. 1. 1... Semiconductor laser, 2... First lens, 3...
・Second lens, 4...Polarization maintaining fiber, 13.
... Polarizing plate, 14... Polarizing plate rotation device.
Claims (1)
光にする第１のレンズと、この平行光を偏波面保存ファ
イバに集束し入射する第２のレンズとを備えてなる半導
体レーザモジュールにおいて、前記第１及び第２のレン
ズ間にその光軸口りに回転可能に偏光板を配置し、この
偏光板を回転させることにより前記半導体レーザ光の偏
波面と前記偏波面保存ファイバの偏波面保存方向との回
転方向における微小角度誤差を補正できるようにしたこ
とを特徴とする半導体レーザモジュール。A semiconductor laser module comprising a semiconductor laser, a first lens that converts light emitted from the semiconductor laser into parallel light, and a second lens that focuses the parallel light into a polarization-maintaining fiber. A polarizing plate is rotatably disposed between the first and second lenses at the optical axis thereof, and by rotating this polarizing plate, the polarization plane of the semiconductor laser beam and the polarization plane preservation direction of the polarization preservation fiber are changed. A semiconductor laser module characterized in that it is capable of correcting minute angular errors in the direction of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4009684U JPS60153560U (en) | 1984-03-21 | 1984-03-21 | semiconductor laser module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4009684U JPS60153560U (en) | 1984-03-21 | 1984-03-21 | semiconductor laser module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60153560U true JPS60153560U (en) | 1985-10-12 |
Family
ID=30548666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4009684U Pending JPS60153560U (en) | 1984-03-21 | 1984-03-21 | semiconductor laser module |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60153560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0677608A (en) * | 1992-07-10 | 1994-03-18 | Fujitsu Ltd | Laser diode module |
-
1984
- 1984-03-21 JP JP4009684U patent/JPS60153560U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0677608A (en) * | 1992-07-10 | 1994-03-18 | Fujitsu Ltd | Laser diode module |
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