Dynamic thermal modeling and parameter identification for a monolithic laser diode module  

作　　者：李金义 杜振辉 马艺闻 徐可欣 

机构地区：[1]State Key Laboratory of Precision Measuring Technology and Instruments,Tianjin University

出　　处：《Chinese Physics B》2013年第3期317-322,共6页中国物理B（英文版）

基　　金：Project supported by the Key Program of the National Natural Science Foundation of China (Grant No. 60938002);the Special-funded Program on National Key Scientific Instruments and Equipment Development of China (Grant No. 2012YQ06016501);the Tianjin Research Program of Application Foundation and Advanced Technology,China (Grant No. 11JCYBJC04900)

摘　　要：We improved the thermal equivalent-circuit model of the laser diode module（LDM） to evaluate its thermal dynamic properties and calculate the junction temperature of the laser diode with a high accuracy.The thermal parameters and the transient junction temperature of the LDM are modeled and obtained according to the temperature of the thermistor integrated in the module.Our improved thermal model is verified indirectly by monitoring the emission wavelength of the laser diode against gas absorption lines,and several thermal parameters are obtained with the temperature uncertainty of 0.01 K in the thermal dynamic process.We improved the thermal equivalent-circuit model of the laser diode module（LDM） to evaluate its thermal dynamic properties and calculate the junction temperature of the laser diode with a high accuracy.The thermal parameters and the transient junction temperature of the LDM are modeled and obtained according to the temperature of the thermistor integrated in the module.Our improved thermal model is verified indirectly by monitoring the emission wavelength of the laser diode against gas absorption lines,and several thermal parameters are obtained with the temperature uncertainty of 0.01 K in the thermal dynamic process.

关 键 词：laser diode module dynamic thermal modeling thermal time constant tunable diode laser absorption spectroscopy（TDLAS） 

分 类 号：TN31[电子电信—物理电子学]