JPS6333653U - - Google Patents
Info
- Publication number
- JPS6333653U JPS6333653U JP12620486U JP12620486U JPS6333653U JP S6333653 U JPS6333653 U JP S6333653U JP 12620486 U JP12620486 U JP 12620486U JP 12620486 U JP12620486 U JP 12620486U JP S6333653 U JPS6333653 U JP S6333653U
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- output
- optical sensor
- circuit
- operational amplifier
- 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 6
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Optical Head (AREA)
Description
第１図は本考案に係る半導体レーザの出力安定
化回路の一実施例を示す図、第２図は他の実施例
を示す図、第３図は第２図の具体的回路例を示す
図、第４図は従来例を示す図である。
１は光センサ、２，３は演算増幅回路、４は制
御回路、５は半導体レーザ。
FIG. 1 is a diagram showing one embodiment of a semiconductor laser output stabilizing circuit according to the present invention, FIG. 2 is a diagram showing another embodiment, and FIG. 3 is a diagram showing a specific example of the circuit shown in FIG. 2. , FIG. 4 is a diagram showing a conventional example. 1 is an optical sensor, 2 and 3 are operational amplifier circuits, 4 is a control circuit, and 5 is a semiconductor laser.
Claims (1)
出する為の光センサと、前記光センサの出力に基
いて前記半導体レーザの発振出力を一定に制御す
る制御回路とを有すると共に、前記光センサに対
して演算増幅回路を介して逆バイアスを印加する
構成としたことを特徴とする半導体レーザの出力
安定化回路。 It has a semiconductor laser, an optical sensor for detecting the output of the semiconductor laser, and a control circuit that controls the oscillation output of the semiconductor laser to be constant based on the output of the optical sensor. An output stabilizing circuit for a semiconductor laser, characterized in that it is configured to apply a reverse bias via an operational amplifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12620486U JPS6333653U (en) | 1986-08-19 | 1986-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12620486U JPS6333653U (en) | 1986-08-19 | 1986-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6333653U true JPS6333653U (en) | 1988-03-04 |
Family
ID=31019787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12620486U Pending JPS6333653U (en) | 1986-08-19 | 1986-08-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6333653U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59105662A (en) * | 1982-12-10 | 1984-06-19 | Canon Inc | Control device for laser light |
-
1986
- 1986-08-19 JP JP12620486U patent/JPS6333653U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59105662A (en) * | 1982-12-10 | 1984-06-19 | Canon Inc | Control device for laser light |
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