期刊
NATURE COMMUNICATIONS
卷 6, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/ncomms7611
关键词
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资金
- MINISTERIO DE ECONOMA Y COMPETITIVIDAD through Plan Nacional [FIS2011-30465-C02-01]
- Catalan Agencia de Gestio D'Ajuts Universitaris i de Recerca (AGAUR)
- SGR
- Fundacio Cellex Barcelona
- Fundacao para a Ciencia e a Tecnologia [SFRH/BD/69913/2010]
- LASERLAB-EUROPE [284464]
- Fundação para a Ciência e a Tecnologia [SFRH/BD/69913/2010] Funding Source: FCT
- ICREA Funding Source: Custom
Attosecond pulses at photon energies that cover the principal absorption edges of the building blocks of materials are a prerequisite for time-resolved probing of the triggering events leading to electronic dynamics such as exciton formation and annihilation. We demonstrate experimentally the isolation of individual attosecond pulses at the carbon K-shell edge (284 eV) in the soft X-ray water window with pulse duration below 400 as and with a bandwidth supporting a 30-as pulse duration. Our approach is based on spatiotemporal isolation of long-wavelength-driven harmonics and validates a straightforward and scalable approach for robust and reproducible attosecond pulse isolation.
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