Temporal characterization of attosecond wave forms in the sub-optical-cycle regime

Isabell Thomann, Emily Gregonis, Xuan Liu, Rick Trebino, Arvinder S. Sandhu, Margaret M. Murnane, Henry C. Kapteyn

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

We present a temporal characterization of sub-optical-cycle extreme ultraviolet radiation generated in a hollow-core waveguide. This generation scheme permits the use of relatively long 13-fs driving laser pulses to generate sub-optical-cycle bursts of high-order harmonic light. Using two-color cross-correlation and phase retrieval techniques, we extract the extreme ultraviolet wave form and show that it consists of chirped 470-as bursts, spaced by ∼1.3 fs, within a 1.4-fs intensity envelope. The radiation is spectrally narrow and energy tunable, making it a useful tool to investigate state-selective molecular and materials dynamics.

Original languageEnglish (US)
Article number011806
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume78
Issue number1
DOIs
StatePublished - Jul 24 2008
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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