摘要The effect of focusing geometry on slope of carrier--envelope (CE) phase ФCE versus propagation distance from the focus in few-cycle laser pulses is investigated. The slope could be adjusted by changing the distance L between the waist of the incident beam and the lens. At the focus, ∂ФCE/∂ (z/zR)=0 when L=0, and ∂ФCE/∂ (z/zR)=-2 when L=∞. The longer the distance L, the steeper the curve of the CE phase at the focus.
Abstract：The effect of focusing geometry on slope of carrier--envelope (CE) phase ФCE versus propagation distance from the focus in few-cycle laser pulses is investigated. The slope could be adjusted by changing the distance L between the waist of the incident beam and the lens. At the focus, ∂ФCE/∂ (z/zR)=0 when L=0, and ∂ФCE/Key words：
42.25.Bs42.60.Jf42.65.Re
(Ultrafast processes; optical pulse generation and pulse compression)
引用本文:
ZHOU Yong-Heng;JIANG Hong-Bing;GONG Qi-Huang. Controlling of Slope of Carrier--Envelope Phase of Few-Cycle Laser Pulses on Propagation Distance near the Focus[J]. 中国物理快报, 2007, 24(5): 1245-1247.
ZHOU Yong-Heng, JIANG Hong-Bing, GONG Qi-Huang. Controlling of Slope of Carrier--Envelope Phase of Few-Cycle Laser Pulses on Propagation Distance near the Focus. Chin. Phys. Lett., 2007, 24(5): 1245-1247.
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