JPS645221U - - Google Patents
Info
- Publication number
- JPS645221U JPS645221U JP10057287U JP10057287U JPS645221U JP S645221 U JPS645221 U JP S645221U JP 10057287 U JP10057287 U JP 10057287U JP 10057287 U JP10057287 U JP 10057287U JP S645221 U JPS645221 U JP S645221U
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- photodetector
- flat plate
- optical axis
- transparent flat
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
Description
第１図は本考案の一実施例を示す構成図、第２
図は半導体レーザの電流―光出力特性を示す図、
第３図は従来例を示す構成図である。
主要部分の符号の説明、１……半導体レーザ、
２……モニター用光検出器、５……ガラス平板。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure shows the current vs. optical output characteristics of a semiconductor laser.
FIG. 3 is a configuration diagram showing a conventional example. Explanation of symbols of main parts, 1... Semiconductor laser,
2... Monitor photodetector, 5... Glass flat plate.
Claims (1)
にこの光軸に対して傾斜して設けられた透過性平
板と、この透過性平板の入射面で反射されたレー
ザ光を受光する光検出器とを備え、この光検出器
の出力に基づいて前記半導体レーザの光出力を制
御することを特徴とする半導体レーザ装置。 A transparent flat plate is provided on the optical axis of the laser beam emitted from the semiconductor laser and is inclined with respect to the optical axis, and a photodetector that receives the laser beam reflected by the incident surface of the transparent flat plate. What is claimed is: 1. A semiconductor laser device comprising: controlling the optical output of the semiconductor laser based on the output of the photodetector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10057287U JPS645221U (en) | 1987-06-29 | 1987-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10057287U JPS645221U (en) | 1987-06-29 | 1987-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS645221U true JPS645221U (en) | 1989-01-12 |
Family
ID=31328768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10057287U Pending JPS645221U (en) | 1987-06-29 | 1987-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS645221U (en) |
-
1987
- 1987-06-29 JP JP10057287U patent/JPS645221U/ja active Pending