Isolated attosecond pulses(IAPs)are generated via applying amplitude gating on high-order harmonic generation driven by carrier-envelope phase stabilized 5.2 fs pulses with 0.5 mJ pulse energy at 770 nm central wavele...Isolated attosecond pulses(IAPs)are generated via applying amplitude gating on high-order harmonic generation driven by carrier-envelope phase stabilized 5.2 fs pulses with 0.5 mJ pulse energy at 770 nm central wavelength at the Synergetic Extreme Condition User Facility.A continuum ranging from 70 to 100 eV that supports sub-100-attosecond pulse is extracted by Zr foil and Mo/Si multilayer mirror.We demonstrate the characterization of the IAP.The retrieved pulse duration is 86attoseconds.The developed attosecond laser beamline with repetition rate up to 10 kHz is available for users to conduct attosecond photoelectron spectroscopy researches with a capability of coincidence measurement.展开更多
基金supported by the Synergic Extreme Condition User Facility(SECUF),the National Natural Science Foundation of China(Nos.91850209,12034020,92150103,61690221,and 12174435)the National Key R&D Program of China(Nos.2022YFA1604200 and 2017YFB0405202)。
文摘Isolated attosecond pulses(IAPs)are generated via applying amplitude gating on high-order harmonic generation driven by carrier-envelope phase stabilized 5.2 fs pulses with 0.5 mJ pulse energy at 770 nm central wavelength at the Synergetic Extreme Condition User Facility.A continuum ranging from 70 to 100 eV that supports sub-100-attosecond pulse is extracted by Zr foil and Mo/Si multilayer mirror.We demonstrate the characterization of the IAP.The retrieved pulse duration is 86attoseconds.The developed attosecond laser beamline with repetition rate up to 10 kHz is available for users to conduct attosecond photoelectron spectroscopy researches with a capability of coincidence measurement.