光声检测用半导体激光器温度控制电路  

Semiconductor Laser Temperature Control Circuit for Photoacoustic Detection

作　　者：严建锁[1] 李少甫[1] 刘先勇[1] 王渊[1] 赵亮[1] 

机构地区：[1]西南科技大学光声检测研究室,四川绵阳621010

出　　处：《西南科技大学学报》2010年第1期60-63,共4页Journal of Southwest University of Science and Technology

基　　金：国防基础研究基金资助(A3120060267)

摘　　要：介绍了用于光声检测系统的稳定和控制DFB激光器温度的基于MAX1978的温度控制电路,采用10 K负温度系数的电阻做温度传感器,TEC做温度控制器件。测试结果表明,该电路的温度设定响应时间小于10 s,温度稳定的精度优于0.02℃。This paper introduced the MAX1978-based temperature control circuit which was used for photoacoustic detection system and controlling and stabalizing DFB laser temperature. 10 K negative temperature coefficient of resistance was used as temperature sensors and TEC temperature as the implementation of the device. The results show that the response time is less than 10 s, the temperature stability of the accuracy is better than 0. 02 ℃.

关 键 词：MAX1978 DFB激光器 热电制冷器 NTC热敏电阻 

分 类 号：TN402[电子电信—微电子学与固体电子学]