title: White light generation over three octaves by femtosecond filament at 3.9 µm in argon.
abstract: We report the first (to our knowledge) experimental results and numerical simulations on mid-IR femtosecond pulse filamentation in argon using 0.1 TW peak-power, 80 fs, 3.9 μm pulses. A broadband supercontinuum spanning the spectral range from 350 nm to 5 μm is generated, whereby about 4% of the mid-IR pulse energy is converted into the 350-1700 nm spectral region. These mid-IR-visible coherent continua offer a new, unique tool for time-resolved spectroscopy based on a mid-IR filamentation laser source.
authors: Photonics Institute, Vienna University of Technology, Vienna, Austria. daniil.kartashov@tuwien.ac.at
authors: Daniil
authors: D
authors: Kartashov
authors: Skirmantas
authors: S
authors: Ališauskas
authors: Audrius
authors: A
authors: Pugžlys
authors: Alexander
authors: A
authors: Voronin
authors: Aleksei
authors: A
authors: Zheltikov
authors: Massimo
authors: M
authors: Petrarca
authors: Pierre
authors: P
authors: Béjot
authors: Jérôme
authors: J
authors: Kasparian
authors: Jean-Pierre
authors: JP
authors: Wolf
authors: Andrius
authors: A
authors: Baltuška