Abstract
Using rare-gas ions as the interacting medium, phase-matched high-order harmonic generation up to 1-keV hard x ray can be achieved by balancing the negative plasma dispersion and Gouy phase shift with the positive, intensity-dependent, intrinsic dipole phase variation. The time-dependent phase-matching condition automatically gates the harmonic output to an isolated attosecond pulse. The estimated pulse duration is as short as 120 as.
Original language | English |
---|---|
Article number | 053511 |
Journal | Physical Review A |
Volume | 109 |
Issue number | 5 |
DOIs | |
State | Published - May 2024 |