Generation of few-cycle radially-polarized infrared pulses in a gas-filled hollow-core fiber<xref rid="cpb_27_10_104204fn1" ref-type="fn">*</xref> <fn id="cpb_27_10_104204fn1"> <label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant No. 61521093), the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB16), the International S & T Cooperation Program of China (Grant No. 2016YFE0119300), and the Program of Shanghai Academic/Technology Research Leader, China (Grant No. 18XD1404200).</p> </fn>

Generation of few-cycle radially-polarized infrared pulses in a gas-filled hollow-core fiber* *

Project supported by the National Natural Science Foundation of China (Grant No. 61521093), the Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDB16), the International S & T Cooperation Program of China (Grant No. 2016YFE0119300), and the Program of Shanghai Academic/Technology Research Leader, China (Grant No. 18XD1404200).

Zhao Rui-Rui^{1, 2}, Huang Zhi-Yuan¹, Wang Ding^{1, †}, Zhao Yu^{1, 2}, Leng Yu-Xin^{1, ‡}, Li Ru-Xin¹

(color online) The output-pulse (a)–(d) temporal and (e)–(h) spectral distribution along the fiber radial direction before compression for RP pulses with different central wavelengths: (a) and (e) 0.8 μm, (b) and (f) 1.8 μm, (c) and (g) 3.1 μm, and (d) and (h) 5.0 μm.