多波长泵浦传导冷却激光器的宽温稳定输出  

Wide Temperature Stable Output of a Multi-Wavelength Pumped Conductively Cooled Laser

作　　者：俞嘉威 王超[1] 

机构地区：[1]长春理工大学物理学院,吉林省固体激光技术与应用重点实验室,吉林 长春

出　　处：《应用物理》2024年第6期390-396,共7页Applied Physics

摘　　要：本研究采用多波长bar条模块,有效的抑制了温度漂移对激光输出稳定性的影响,控制晶体的热效应。通过一体化热沉结构设计,改善激光器温控系统控温压力,减少冷却传导系统体积、重量。设计了LD阵列泵浦源、泵浦结构以及传导冷却方式,实现全固态激光器的无水冷稳定输出。激光器重复频率10 Hz,在控温30℃时连续工作时间3 min,获得平均脉冲能量17.03 mJ,最大脉冲能量17.5 mJ,能量不稳定度3.13%,可在10℃~40℃范围内稳定输出。In this study, a multi-wavelength bar module is used to effectively suppress the influence of temperature drift on the laser output stability and control the thermal effect of the crystal. Through the integrated heat sink structure design, the temperature control pressure of the laser temperature control system is improved, and the volume and weight of the cooling conduction system are reduced. The LD array pump source, pump structure and conduction cooling mode are designed to realize the stable output of all solid-state laser without water cooling. The repetition rate of the laser is 10 Hz, the continuous working time is 3 min when the temperature is controlled at 30˚C, the average pulse energy is 17.0 mJ, the maximum pulse energy is 17.5 mJ, and the energy instability is 3.13%. The laser can be stably output in the range of 10˚C~40˚C, which can meet the applicable test of various platforms.

关 键 词：多波长泵浦 全固态激光器 传导冷却 

分 类 号：TN2[电子电信—物理电子学]