摘要
报道了基于888nm半导体抽运Nd∶YVO4晶体连续被动锁模的皮秒振荡器。通过热激发抽运方式改善激光器的热性能,提高锁模振荡器输出的平均功率与单脉冲能量。利用半导体可饱和吸收体(SESAM)实现激光器锁模运转的启动与维持。在抽运功率为60 W时,获得最大输出功率为15W,重复频率为53MHz的皮秒脉冲输出,光-光转换效率为24%。在输出功率为15W时脉冲宽度为45ps。
We reported a continuously and passively mode-locked Nd ：YVO4 crystal picosecond oscillator based on 888 nm semiconductor pumped. We used the way of thermal excitation to improve the thermal performance of the laser, as well as increase the average output power and the single pulse energy of the mode-locked oscillator. We achieved the starting and maintaining of the laser mode-locking by semiconductor saturable absorber mirror（SESAM）. Under the ab- sorbed pump power of 60 W, the maximum output power of 15 W at 53 MHz repetition rate was obtained, and the optical-to-optical efficiency of 24% was achieved. The pulse width was measured at 45 ps when the output power was 15 W.
出处
《应用光学》
CAS
CSCD
北大核心
2013年第5期870-873,共4页
Journal of Applied Optics
基金
国家自然科学基金(61205136)
中国科学院科研装备研制项目(YZ201216)资助课题
中国科学院光电研究院创新项目(Y30B16A13Y)资助课题
关键词
激光器
皮秒脉冲
谐振腔
laser
picosecond pulse
resonance cavity
