JPS61174766U - - Google Patents
Info
- Publication number
- JPS61174766U JPS61174766U JP6010185U JP6010185U JPS61174766U JP S61174766 U JPS61174766 U JP S61174766U JP 6010185 U JP6010185 U JP 6010185U JP 6010185 U JP6010185 U JP 6010185U JP S61174766 U JPS61174766 U JP S61174766U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- laser light
- semiconductor laser
- reflector
- laser
- 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
- 239000004065 semiconductor Substances 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Optical Head (AREA)
Description
第１図は本考案による複数ビーム用レーザ光源
の一実施例のブロツク図、第２図は第１図のレー
ザ光源部の斜視図、第３図は本実施例を用いた光
ヘツドのブロツク図である。図において、
１，２…半導体レーザ、３，４…レーザ光、５
…反射器、５ａ，５ｂ…反射面、６，７…検出器
、８…ヒートシンク、３１ａ，３１ｂ…レーザ光
、３２ｂ…コリメートレンズ、３３…偏光ビーム
スプリツタ、３４…λ／４板、３５…アクチユエ
ータ、３６…収束レンズ、３７…記録媒体、３８
…検出系、である。
Fig. 1 is a block diagram of an embodiment of a multi-beam laser light source according to the present invention, Fig. 2 is a perspective view of the laser light source section of Fig. 1, and Fig. 3 is a block diagram of an optical head using this embodiment. It is. In the figure, 1, 2... semiconductor laser, 3, 4... laser light, 5
...Reflector, 5a, 5b...Reflecting surface, 6,7...Detector, 8...Heat sink, 31a, 31b...Laser beam, 32b...Collimating lens, 33...Polarizing beam splitter, 34...λ/4 plate, 35... Actuator, 36... Converging lens, 37... Recording medium, 38
...detection system.
Claims (1)
数の半導体レーザからなる複数ビーム用レーザ光
源において、前記半導体レーザの発光点近傍に設
けられ前記半導体レーザの放射光を互に異つた方
向に反射させる反射器と、この反射器により反射
された前記半導体レーザ放射光の反射方向に設け
られた少なくとも１個の光検出器とを備えたこと
を特徴とする複数ビーム用レーザ光源。 In a multi-beam laser light source consisting of a plurality of semiconductor lasers having the same radiation direction and arranged close to each other, the laser light source is provided near the light emitting point of the semiconductor laser and reflects the emitted light of the semiconductor laser in different directions. A multi-beam laser light source comprising: a reflector; and at least one photodetector provided in the direction of reflection of the semiconductor laser radiation reflected by the reflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6010185U JPS61174766U (en) | 1985-04-22 | 1985-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6010185U JPS61174766U (en) | 1985-04-22 | 1985-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61174766U true JPS61174766U (en) | 1986-10-30 |
Family
ID=30587137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6010185U Pending JPS61174766U (en) | 1985-04-22 | 1985-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61174766U (en) |
-
1985
- 1985-04-22 JP JP6010185U patent/JPS61174766U/ja active Pending