The Adoption of Chalcogenide Glass Fiber as Pulse Stretcher in an All-Fiber Structured 2 μm Chirped Pulse Amplification System oleh Weiwang Zhang, Hongfei Ren, Juan Wang, Bin Yan, Junwei Zhu, Shaohui Mo, Miao Qiu, Yingying Wang, Peilong Yang, Xing Li, Changjun Quan, Shengchuang Bai, Feifei Chen, Ruwei Zhao, Peipeng Xu, Shixun Dai, Qiuhua Nie