Propagation effects of isolated attosecond pulse generation with a multicycle chirped and chirped-free two-color field

Journal Article · Mon Aug 15 04:00:00 EDT 2011 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.84.023817· OSTI ID:22068559

Hongchuan, Du; Bitao, Hu ^[1]

---

1. School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000 (China)

We present a theoretical study of isolated attosecond pulse generation with a multicycle chirped and chirped-free two-color field. We show that the bandwidth of the extreme ultraviolet supercontinuum can be extended by combining a multicycle chirped pulse and a multicycle chirped-free pulse. Also, the broadband supercontinuum can still be generated when the macroscopic effects are included. Furthermore, the macroscopic effects can ameliorate the temporal characteristic of the broadband supercontinuum of the single atom, and eliminate the modulations of the broadband supercontinuum. Thus a very smooth broadband supercontinuum and a pure isolated 102-as pulse can be directly obtained. Moreover, the structure of the broadband supercontinuum can be steadily maintained for a relative long distance after a certain distance.

• OSTI ID: 22068559
• Journal Information: Physical Review. A, Journal Name: Physical Review. A Journal Issue: 2 Vol. 84; ISSN 1050-2947; ISSN PLRAAN
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ATOMS
DIPOLE MOMENTS
EXTREME ULTRAVIOLET RADIATION
FREQUENCY CONTROL
HARMONIC GENERATION
MODULATION
PHOTOIONIZATION
PULSES
SPECTRA