Study on Reliability of Semiconductor Lasers and Laser Arrays Using the Method of Electrical Derivative1
A test system has been established on the basis of PC (NI-DAQ inside) to give fast and nondestructive tests for high power semiconductor LDs and LD arrays whose work current is 0-45A. The system can measure V-I, IdV/dI-I, P-I, dP/dI-I etc. of LDs or LD arrays and provide parameters such as threshold current, equivalent series resistance, characteristic parameter of junction, junction voltage saturation parameter etc. to evaluate the quality and reliability of the devices. The relationship between the electrical derivative parameters and the devices reliability was discussed. Moreover, the uniformity of LD arrays elements was focused on to study the reliability of LD array. The method to describe the uniformity quantificationally was also discussed.
semiconductor laser laser array reliability nondestructive test electrical derivative1
CAO Junsheng GUO Shuxu GAO Fengli ZHANG Shuang YU Siyao SHI Jiawei
College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
国际会议
北京
英文
2007-08-05(万方平台首次上网日期,不代表论文的发表时间)