啁啾镜与棱镜对混合色散补偿产生8fs光脉冲  

8-fs Pulse Generation from the Chirped Mirrors and Prism-pair Dispersion Controlled Ti:Sapphire Oscillator

作　　者：谢旭东[1] 王清月[1] 柴路[1] 王专[1] 黄小军[1] 

机构地区：[1]天津大学精密仪器与光电子工程学院超快激光研究室

出　　处：《光电子．激光》2006年第8期937-941,共5页Journal of Optoelectronics·Laser

基　　金：国家自然科学基金资助项目(60278003;60178007);国家重点基础研究计划资助项目(G1999075201-2;2003CB314904);国家高技术研究发展计划"863"基金资助项目(2003AA311010)

摘　　要：利用宽带啁啾镜(CM)与熔石英棱镜对结合优化色散补偿,从掺Ti蓝宝石振荡器中获得具有带宽大于100nm、光谱结构光滑的亚4个光学周期脉冲。该激光器输出脉冲的中心波长在780nm处,最短脉冲宽度为8fs,最宽的光谱半宽度为180nm。在3.5W泵浦下,输出功率为280mW。更重要的是该激光器能够稳定地运转在“马鞍型”的光谱状态,这对于作为啁啾脉冲放大器种子激光源,克服放大过程的“增益窄化”效应有实际意义。We report the 8-fs pulse generation from a Ti;sapphire oscillator by use of the broadband chirped mirrors（CM） and fused-silica prism-pair to optimize the dispersion compensation. The laser operated at a central wavelength of 780 nm with the widest bandwidth of 180 nm. The output power was 280 mW under a pump power of 3.5 W. Additionally,a distinctive feature is that the oscillator can stably operate with the saddle spectrum. This is beneficial to suppress the spectrum gain narrowing in the chirped pulse amplification system when the oscillator is used as a seed pulse source.

关 键 词：啁啾镜(CM) 色散补偿 掺Ti蓝宝石激光振荡器 

分 类 号：TN242[电子电信—物理电子学]