Energetic few-cycle pulse compression in gas-filled hollow core fiber with concentric phase mask
Zhao Yu
1, 2
, Huang Zhi-Yuan
1, 2
, Zhao Rui-Rui
1, 2
, Wang Ding
1, †
, Leng Yu-Xin
1, ‡
Schematic diagram of concentric phase mask, where Region 1 represents birefringent half-wave plate.