高精度半导体激光器温度控制系统技术研究  

Design for Accurately Controlling Output and Frequency of the Laser Diode

作　　者：詹春[1] 袁军国[1] 王建敏[1] 

机构地区：[1]江西科技师范学院通信与电子学院,江西南昌330046

出　　处：《科技广场》2011年第3期30-33,共4页Science Mosaic

摘　　要：本文给出了一种利用高信噪比的运算放大器与半导体制冷器设计的激光光源电路驱动系统,以及半导体激光器的稳定度实验测量结果。实验证明,本驱动系统能为半导体激光器提供高稳定度的恒温控制(ATC),温度控制精度可达0.01℃,波长控制精度可达0.1nm,而且提高了半导体激光器的使用寿命和输出波长的单一性。In this paper,we use the operation amplifier with high S/N,and a semiconductor cooler as temperature control instrument,and succeed in inventing a high precision temperature instrument which is used in the semiconductor laser diode temperature control,the precision of the controlled temperature is士0.01℃ and the precision of the controlled wavelength is士0.1nm。The experiment measurement of output current stability also is given out.With this system,our experiment approves the life and the pure spectrum of laser diode can be improved.

关 键 词：激光光源 温度控制 半导体制冷器 驱动电路 PID控制器 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]