Wide temperature range uncooled lightwave transmitter having a heated laser
文献类型：专利
| 作者 | KASPER, BRYON LYNN; BOSCH, FRIDOLIN LUDWIG |
| 发表日期 | 1998-04-14 |
| 专利号 | US5740191 |
| 著作权人 | AGERE SYSTEMS INC. |
| 国家 | 美国 |
| 文献子类 | 授权发明 |
| 其他题名 | Wide temperature range uncooled lightwave transmitter having a heated laser |
| 英文摘要 | A laser transmitter that includes a heating element coupled to the laser package and controlled to allow the laser to be kept at a higher temperature than ambient when low temperature extremes occur, thus limiting the range of wavelengths output by the laser over a given temperature range. The laser transmitter includes a semiconductor laser having an associated operating temperature; a laser driver circuit coupled to the semiconductor laser to control a modulation current and bias current conducted by the semiconductor laser; a heating element thermally coupled to the semiconductor laser; and a heating control circuit that (i) senses a temperature substantially representative of the ambient temperature surrounding the laser transmitter, (ii) energizes the heating element to provide heat to the semiconductor laser only when the temperature substantially representative of the ambient temperature is sensed below a predetermined minimum temperature, and (iii) upon energizing the heating element, controls heating of the heating element based on the temperature substantially representative of the ambient temperature. |
| 公开日期 | 1998-04-14 |
| 申请日期 | 1996-07-13 |
| 状态 | 失效 |
| 源URL | [http://ir.opt.ac.cn/handle/181661/36339]  |
| 专题 | 半导体激光器专利数据库 |
| 作者单位 | AGERE SYSTEMS INC. |
| 推荐引用方式 GB/T 7714 | KASPER, BRYON LYNN,BOSCH, FRIDOLIN LUDWIG. Wide temperature range uncooled lightwave transmitter having a heated laser. US5740191. 1998-04-14. |
入库方式： OAI收割
来源：西安光学精密机械研究所
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