JPS63200357U - - Google Patents
Info
- Publication number
- JPS63200357U JPS63200357U JP9180987U JP9180987U JPS63200357U JP S63200357 U JPS63200357 U JP S63200357U JP 9180987 U JP9180987 U JP 9180987U JP 9180987 U JP9180987 U JP 9180987U JP S63200357 U JPS63200357 U JP S63200357U
- Authority
- JP
- Japan
- Prior art keywords
- photodiode
- semiconductor laser
- monitoring
- package
- amount
- 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
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 1
Description
第１図は本考案に係る半導体レーザ光源の構成
例を示す図、第２図は半導体レーザダイオードの
電流―光出力の関係を示す図である。
１……ＬＤ、２……ＰＤ、３……パツケージ、
４……ビームスプリツタ、５……ホトダイオード
、６……ＦＢ回路、７……定電流源、９……温度
ＦＢ回路、１０……加熱・冷却手段。
FIG. 1 is a diagram showing an example of the configuration of a semiconductor laser light source according to the present invention, and FIG. 2 is a diagram showing the relationship between current and optical output of a semiconductor laser diode. 1...LD, 2...PD, 3...Package,
4... Beam splitter, 5... Photodiode, 6... FB circuit, 7... Constant current source, 9... Temperature FB circuit, 10... Heating/cooling means.
Claims (1)
トダイオードを備えた半導体レーザダイオードと
、 前記パツケージを加熱・冷却する手段と、 前記光量モニタ用ホトダイオードに定電流を流
す定電流手段と、 この光量モニタ用ホトダイオードの電気量を導
入し、前記加熱・冷却する手段に信号を加えて前
記パツケージの温度を制御する手段と、 前記半導体レーザダイオードから出力される光
量を一定に制御する手段と、 を備え、光量モニタ用ホトダイオードを温度セ
ンサとして用いたことを特徴とする半導体レーザ
光源。[Claims for Utility Model Registration] A semiconductor laser diode including a photodiode for monitoring light intensity provided in the same package, means for heating and cooling the package, and constant current means for flowing a constant current through the photodiode for monitoring light intensity. and means for controlling the temperature of the package by introducing the amount of electricity from the light amount monitoring photodiode and applying a signal to the heating and cooling means; and means for controlling the amount of light output from the semiconductor laser diode to a constant level. A semiconductor laser light source comprising: and a photodiode for monitoring light intensity as a temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9180987U JPS63200357U (en) | 1987-06-15 | 1987-06-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9180987U JPS63200357U (en) | 1987-06-15 | 1987-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63200357U true JPS63200357U (en) | 1988-12-23 |
Family
ID=30952931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9180987U Pending JPS63200357U (en) | 1987-06-15 | 1987-06-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63200357U (en) |
-
1987
- 1987-06-15 JP JP9180987U patent/JPS63200357U/ja active Pending
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