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Relativistic surface plasmon enhanced harmonic generation from gratings

  Articoli su Riviste JCR/ISI  (anno 2017)

Autori:  Fedeli L., Sgattoni A., Cantono G., Macchi A

Affiliazione Autori:  1) Department of Energy, Politecnico di Milano, 20133 Milano, Italy 2) National Institute of Optics, National Research Council (CNR/INO) A.Gozzini unit, 56124 Pisa, Italy 3) Enrico Fermi Department of Physics, University of Pisa, 56127 Pisa, Italy 4) LULI-UPMC: Sorbonne Universities, CNRS, École Polytechnique, CEA, 75013 Paris, France 5) LESIA, Observatoire de Paris, CNRS, UPMC: Sorbonne Universities, 92195 Meudon, France 6) LIDYL, CEA, CNRS, Université Paris-Saclay, CEA Saclay, 91191 Gif-sur-Yvette, France 7) Université Paris Sud, Paris, 91400 Orsay, France

Riassunto:  The role of relativistic surface plasmons (SPs) in high order harmonic emission from laser-irradiated grating targets has been investigated by means of particle-in-cell simulations. SP excitation drives a strong enhancement of the intensity of harmonics, particularly in the direction close to the surface tangent. The SP-driven enhancement overlaps with the angular separation of harmonics generated by the grating, which is beneficial for applications requiring monochromatic extreme ultraviolet (XUV) pulses.

Rivista/Giornale:  APPLIED PHYSICS LETTERS
Volume n.:  110      Pagine da: 051103-1  a: 051103-5
Parole chiave: surface plasmons - high harmonic generation - high field plasmonics - plasma simulation - XUV pulses
Collegamento Web del Prodotto: Clicca qui


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