ctiejunwang@siom.ac.cn
dlengyuxin@mail.siom.ac.cn
eruxinli@siom.ac.cn
收稿日期:2023-06-15,
修回日期:2023-12-04,
录用日期:2023-12-19,
网络出版日期:2024-02-02,
纸质出版日期:2024-12
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Stable, intense supercontinuum light generation at 1 kHz by electric field assisted femtosecond laser filamentation in air[J]. LSA, 2024,13(2):354-365.
Yaoxiang Liu, Fukang Yin, Tie-Jun Wang, et al. Stable, intense supercontinuum light generation at 1 kHz by electric field assisted femtosecond laser filamentation in air[J]. Light: science & applications, 2024, 13(2): 354-365.
Stable, intense supercontinuum light generation at 1 kHz by electric field assisted femtosecond laser filamentation in air[J]. LSA, 2024,13(2):354-365. DOI: 10.1038/s41377-023-01364-3.
Yaoxiang Liu, Fukang Yin, Tie-Jun Wang, et al. Stable, intense supercontinuum light generation at 1 kHz by electric field assisted femtosecond laser filamentation in air[J]. Light: science & applications, 2024, 13(2): 354-365. DOI: 10.1038/s41377-023-01364-3.
Supercontinuum (SC) light source has advanced ultrafast laser spectroscopy in condensed matter science
biology
physics
and chemistry. Compared to the frequently used photonic crystal fibers and bulk materials
femtosecond laser filamentation in gases is damage-immune for supercontinuum generation. A bottleneck problem is the strong jitters from filament induced self-heating at kHz repetition rate level. We demonstrated stable kHz supercontinuum generation directly in air with multiple mJ level pulse energy. This was achieved by applying an external DC electric field to the air plasma filament. Beam pointing jitters of the 1 kHz air filament induced SC light were reduced by more than 2 fold. The stabilized high repetition rate laser filament offers the opportunity for stable intense SC generation and its applications in air.
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