Barkauskas, M; Brandi, F; Giammanco, F; Neshev, Dragomir; Pirri, A; Ubachs, Wim
At the Laser Centre Vrije Universiteit a table-top size, tunable and narrowband laser-based source of extreme ultraviolet radiation was developed using high-harmonic generation of powerful laser pulses of 300 ps duration and Fourier-transform limited bandwidth. The generated radiation has unprecedented spectral purity of λ/Δλ>2.5×105 at wavelengths covering the entire tunability range of 40-100 nm. The process of high-order harmonic generation was investigated in different gases (Ar, Kr, Xe, N...[Show more]
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