基于“时分复用”技术的阵列量子级联激光器驱动电源  

A driver for array quantum cascade lasers based on the technology of time division multiplexing

作　　者：王彪[1] 

机构地区：[1]中国科学院长春光学精密机械与物理研究所,长春130033

出　　处：《仪器仪表学报》2013年第S1期55-58,共4页Chinese Journal of Scientific Instrument

基　　金：公安部重点研究计划项目(2011ZDYJJLST010)

摘　　要：针对红外混合气体检测方法对电源具有驱动阵列红外量子级联激光器(QCL)能力的要求,本文设计并研制了一种新型阵列QCL驱动电源。该电源在控制方案上采用时分复用方法,并对中心波长分别为4.8μm、7.49μm、7.71μm、10.7μm的四种QCL进行驱动测试。实验结果表明:在长时间(>100 h)运行中,系统驱动电流稳定度优于4×10-5A,线性度优于99.97%。In considering the exciting ability of array infrared cascade lasers(QCLs) in infrared multi-gas detection applications, a novel generator has been carried out accordingly. In respect to control scheme, the proposed driver utilizes Time Division Multiplexing(TDM) technology to perform driving test on four QCLs with center wavelengths at 3.5μm, 4.4μm, 7.5μm and 8.2μm respectively. Experimental results demonstrate during a long-term operation(>100 h), stability of drive current is better than 4×10-5A, linearity of the power system is better than 99.97%.

关 键 词：红外混合气体检测 群红外量子级联激光器(QCL) 时分复用 

分 类 号：TN248[电子电信—物理电子学]