JPS622271U - - Google Patents
Info
- Publication number
- JPS622271U JPS622271U JP9233885U JP9233885U JPS622271U JP S622271 U JPS622271 U JP S622271U JP 9233885 U JP9233885 U JP 9233885U JP 9233885 U JP9233885 U JP 9233885U JP S622271 U JPS622271 U JP S622271U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- semiconductor laser
- cooling
- turning
- cooling means
- 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 8
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 108091008695 photoreceptors Proteins 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Landscapes
- Laser Beam Printer (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
第１図は本考案の一実施例に係るレーザー装置
の冷却手段の制御ブロツク図、第２図は本考案の
一実施例に係るレーザー装置の要部縦断面図、第
３図は第２図の装置の半導体レーザーの温度制御
状態を示すグラフ、第４図は半導体レーザーの温
度と波長の関係図、第５図は感光体の分光感度を
示す特性図、第６図は半導体レーザーの各温度に
おける駆動電流とレーザー出力との関係図、第７
図は半導体レーザーの各動作温度におけるレーザ
ー出力の経時変化を示すグラフである。
符号の説明、１……半導体レーザー装置、２…
…半導体レーザー、４……温度検知手段、９……
ベルチエ素子（冷却手段）、１００……制御手段
。
FIG. 1 is a control block diagram of a cooling means of a laser device according to an embodiment of the present invention, FIG. 2 is a longitudinal cross-sectional view of a main part of a laser device according to an embodiment of the present invention, and FIG. Graph showing the temperature control status of the semiconductor laser in the device, Figure 4 is a relationship between the temperature and wavelength of the semiconductor laser, Figure 5 is a characteristic diagram showing the spectral sensitivity of the photoreceptor, and Figure 6 is the temperature of the semiconductor laser. Relationship diagram between drive current and laser output in 7th
The figure is a graph showing changes over time in laser output at various operating temperatures of a semiconductor laser. Explanation of symbols, 1... Semiconductor laser device, 2...
...Semiconductor laser, 4...Temperature detection means, 9...
Berthier element (cooling means), 100...control means.
Claims (1)
半導体レーザーの温度を検知する温度検知手段と
、該温度検知手段により検知した温度があらかじ
め設定された所定温度より高い場合には上記冷却
手段をオンし、所定温度より低い場合には冷却手
段をオフさせる制御手段とを備えたことを特徴と
するレーザー装置。 (2) 前記制御手段のあらかじめ設定された温度
が２０°Ｃ〜２５°Ｃであることを特徴とする実
用新登録請求の範囲第１項記載のレーザー装置。[Claims for Utility Model Registration] (1) A cooling means for cooling a semiconductor laser, a temperature detection means for detecting the temperature of the semiconductor laser, and a temperature detected by the temperature detection means that is higher than a preset predetermined temperature. and control means for turning on the cooling means when the temperature is lower than a predetermined temperature, and turning off the cooling means when the temperature is lower than a predetermined temperature. (2) The laser device according to claim 1, wherein the preset temperature of the control means is 20°C to 25°C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9233885U JPS622271U (en) | 1985-06-20 | 1985-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9233885U JPS622271U (en) | 1985-06-20 | 1985-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS622271U true JPS622271U (en) | 1987-01-08 |
Family
ID=30649047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9233885U Pending JPS622271U (en) | 1985-06-20 | 1985-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS622271U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5896794A (en) * | 1981-12-04 | 1983-06-08 | Konishiroku Photo Ind Co Ltd | Method of photo output stabilization for laser diode and device thereof |
-
1985
- 1985-06-20 JP JP9233885U patent/JPS622271U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5896794A (en) * | 1981-12-04 | 1983-06-08 | Konishiroku Photo Ind Co Ltd | Method of photo output stabilization for laser diode and device thereof |