JPH0215762U - - Google Patents
Info
- Publication number
- JPH0215762U JPH0215762U JP9519088U JP9519088U JPH0215762U JP H0215762 U JPH0215762 U JP H0215762U JP 9519088 U JP9519088 U JP 9519088U JP 9519088 U JP9519088 U JP 9519088U JP H0215762 U JPH0215762 U JP H0215762U
- Authority
- JP
- Japan
- Prior art keywords
- heating
- laser diode
- detection section
- temperature detection
- temperature
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 5
- 238000001816 cooling Methods 0.000 claims 3
- 238000010438 heat treatment Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
Description
第１図は本考案の一実施例によるレーザ光源の
温度制御回路を示す接続図、第２図はレーザ光源
の全体構成を示す断面図、第３図は微粒子計の動
作の説明に供する略線図である。
１……微粒子計、３，１０……レーザ光源、１
１……レーザダイオード、１３……サーミスタ、
１９……ペルチエ素子、２０……放熱板、３９…
…切換回路。
Fig. 1 is a connection diagram showing a temperature control circuit for a laser light source according to an embodiment of the present invention, Fig. 2 is a sectional view showing the overall configuration of the laser light source, and Fig. 3 is a schematic diagram for explaining the operation of the particle meter. It is a diagram. 1...Particle meter, 3,10...Laser light source, 1
1... Laser diode, 13... Thermistor,
19...Peltier element, 20...heat sink, 39...
...Switching circuit.
Claims (1)
出部と、 上記温度検出部の検出結果に基づいて、上記レ
ーザダイオードを加熱又は冷却する加熱冷却器と
、 上記温度検出部の検出結果に基づいて、上記加
熱冷却器の加熱又は冷却動作を停止制御する制御
回路と を具えることを特徴とするレーザ光源。[Scope of Claim for Utility Model Registration] A laser diode, a temperature detection section that detects the temperature of the laser diode, a heating/cooling device that heats or cools the laser diode based on the detection result of the temperature detection section; A laser light source comprising: a control circuit that controls to stop the heating or cooling operation of the heating/cooling device based on the detection result of the temperature detection section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988095190U JPH087648Y2 (en) | 1988-07-18 | 1988-07-18 | Laser light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988095190U JPH087648Y2 (en) | 1988-07-18 | 1988-07-18 | Laser light source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0215762U true JPH0215762U (en) | 1990-01-31 |
| JPH087648Y2 JPH087648Y2 (en) | 1996-03-04 |
Family
ID=31319818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988095190U Expired - Lifetime JPH087648Y2 (en) | 1988-07-18 | 1988-07-18 | Laser light source |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH087648Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001033680A1 (en) * | 1999-11-01 | 2001-05-10 | The Furukawa Electric Co., Ltd. | Semiconductor laser module and method of driving semiconductor laser module |
| JP2005135961A (en) * | 2003-10-28 | 2005-05-26 | Opnext Japan Inc | Optical transmission module |
| JP2020113616A (en) * | 2019-01-10 | 2020-07-27 | 国立研究開発法人情報通信研究機構 | Quantum optical device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5763879A (en) * | 1980-10-06 | 1982-04-17 | Ricoh Co Ltd | Output stabilizing method for semiconductor laser device |
| JPS58176988A (en) * | 1982-04-09 | 1983-10-17 | Olympus Optical Co Ltd | Semiconductor laser temperature control apparatus |
| JPS615590A (en) * | 1984-06-19 | 1986-01-11 | Ricoh Co Ltd | Temperature control method of semiconductor laser |
-
1988
- 1988-07-18 JP JP1988095190U patent/JPH087648Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5763879A (en) * | 1980-10-06 | 1982-04-17 | Ricoh Co Ltd | Output stabilizing method for semiconductor laser device |
| JPS58176988A (en) * | 1982-04-09 | 1983-10-17 | Olympus Optical Co Ltd | Semiconductor laser temperature control apparatus |
| JPS615590A (en) * | 1984-06-19 | 1986-01-11 | Ricoh Co Ltd | Temperature control method of semiconductor laser |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001033680A1 (en) * | 1999-11-01 | 2001-05-10 | The Furukawa Electric Co., Ltd. | Semiconductor laser module and method of driving semiconductor laser module |
| JP2005135961A (en) * | 2003-10-28 | 2005-05-26 | Opnext Japan Inc | Optical transmission module |
| JP2020113616A (en) * | 2019-01-10 | 2020-07-27 | 国立研究開発法人情報通信研究機構 | Quantum optical device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH087648Y2 (en) | 1996-03-04 |