High-Order Harmonic Generation Yielding Tunable Extreme-Ultraviolet Radiation of High Spectral Purity | Zendy

F. Brandi | Zendy; Dragomir N. Neshev | Zendy; W. Ubachs | Zendy

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High-Order Harmonic Generation Yielding Tunable Extreme-Ultraviolet Radiation of High Spectral Purity

Author(s) -

F. Brandi,

Dragomir N. Neshev,

W. Ubachs

Publication year - 2003

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.91.163901

Subject(s) - extreme ultraviolet , harmonics , physics , lambda , high harmonic generation , ultraviolet , atomic physics , radiation , wavelength , chirp , optics , optoelectronics , laser , quantum mechanics , voltage

Production of extreme-ultraviolet radiation by high-order harmonic generation is demonstrated to yield unprecedented spectral purity of lambda/Deltalambda=2.5x10(5) at wavelengths covering the entire range 40-100 nm. Tunability and sub-cm(-1) bandwidth of the harmonics are demonstrated in recordings of the He (1s4p) and Ar (3p(5)3d(')) 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 5x10(-7) in the domain of extreme-ultraviolet radiation

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