Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
846295 | Optik - International Journal for Light and Electron Optics | 2014 | 4 Pages |
Abstract
We theoretically investigate the high-order harmonic generation in helium atom driven by a nonlinear chirped laser pulse with few-cycle duration. By employing appropriate chirp to the driving pulse, an efficient electric field waveform of controlling quantum path for ultra-broadband supercontinuous harmonics is realized, and then an isolated sub-50 as pulse with bandwidth of 739 eV can be significantly obtained.
Related Topics
Physical Sciences and Engineering
Engineering
Engineering (General)
Authors
Jianghua Luo, Dahai Xu,