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Influence of tunnel ionization to third-harmonic generation of infrared femtosecond laser pulses in air

Here we present an experimental as well as theoretical study of third-harmonic generation in tightly focused femtosecond filaments in air at the wavelength of [Formula: see text] . At low intensities, longitudinal phase matching is dominating in the formation of 3rd harmonics, whereas at higher inte...

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Detalles Bibliográficos
Autores principales: Tamulienė, Viktorija, Juškevičiūtė, Greta, Buožius, Danas, Vaičaitis, Virgilijus, Babushkin, Ihar, Morgner, Uwe
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7566598/
https://www.ncbi.nlm.nih.gov/pubmed/33060640
http://dx.doi.org/10.1038/s41598-020-74263-x