High-order harmonic generation yielding tunable extreme-ultraviolet radiation of high spectral purity

F. Brandi*, D. Neshev, W. Ubachs

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

Production of extreme-ultraviolet radiation by high-order harmonic generation is demonstrated to yield unprecedented spectral purity of [Formula presented] at wavelengths covering the entire range 40–100 nm. Tunability and sub-[Formula presented] bandwidth of the harmonics are demonstrated in recordings of the He ([Formula presented]) and Ar ([Formula presented]) resonance lines at 52.2 and 86.6 nm. Frequency shift of the harmonics due to chirp-induced phenomena are investigated and found to be small, resulting in a frequency accuracy of about [Formula presented] in the domain of extreme-ultraviolet radiation.

Original languageEnglish
JournalPhysical Review Letters
Volume91
Issue number16
DOIs
Publication statusPublished - 2003
Externally publishedYes

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