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Akademický článek

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Electron heating through a set of random levels in the conduction band of insulators induced by femtosecond laser pulses

Autor: Stéphane Guizard, B. N. Yatsenko, G. Geoffroy, H. Bachau, Andrey N. Vasil’ev, Yu. V. Popov, Peter G. Martin, Jérôme Gaudin, Andrei Belsky, I. B. Bogatyrev

Publikováno v: Applied Physics A. 98:679-689

We develop a theory describing the heating of electrons in crystalline insulators irradiated by high-intensity laser pulses. In agreement with photoelectron yield versus intensity measurements, we assume that electrons are excited into the conduction

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5505f1066ddfae08ff87fefcf523bd2c
https://doi.org/10.1007/s00339-009-5465-y

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(2γ,2e) total and differential cross-section calculations for helium with ħω = 40–50 eV

Autor: B. Piraux, E. Foumoup, H. Bachau

Publikováno v: The European Physical Journal Special Topics. 175:175-180

We consider two-photon double ionization of helium and analyse the electron dynamics in the region where the process is direct (39.49 eV < ħω < 54.42 eV). The fundamental process of two-photon double ionization (TPDI) is far from being well underst

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bbf21df19da945ec911d100fb1180f15
https://doi.org/10.1140/epjst/e2009-01137-0

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Creation of high energy electronic excitations in inorganicinsulators by intense femtosecond laser pulses

Autor: Jérôme Gaudin, P. Martin, B. N. Yatsenko, H. Bachau, A. Philippov, Stéphane Guizard, G. Geoffroy, Andrei Belsky, Guillaume Petite, Andrey N. Vasil’ev

Publikováno v: physica status solidi (c). 2:240-243

We measured photoemission spectra for a number of insulators (CsI, Diamond, SiO2, CeF3) excited by femtosecond Ti-Sapphire laser pulses at peak intensities, from 0.5 to 6 TW/cm2, which are at least one order of magnitude below the optical breakdown t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d28e27b2320471ee26e2da11c17f4fd6
https://doi.org/10.1002/pssc.200460155

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One-, two- and three-photon ionization of calcium

Autor: S Benec'h, H Bachau

Publikováno v: Journal of Physics B: Atomic, Molecular and Optical Physics. 37:3521-3534

One-, two- and three-photon ionization of the calcium atom from its ground state has been analysed in the perturbative regime by studying its electronic structure employing B-spline basis functions in a configuration interaction procedure based on a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1f037972f61e1e2ebca9bd800dca45b
https://doi.org/10.1088/0953-4075/37/17/008

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Heating of conduction band electrons by intense femtosecond laser pulses

Autor: Guillaume Petite, Stéphane Guizard, H. Bachau, Andrey N. Vasil’ev, A.N. Belsky, Peter G. Martin, G. Geoffroy, B. N. Yatsenko

Publikováno v: Europhysics Letters (EPL). 67:301-306

We present photoelectron spectra for CsI excited by intense femtosecond Ti-Sapphire laser pulses. A high-energy plateau is detected in the spectra, at excitation intensities above 0.5 TW/cm2. This plateau extends up to 24 eV at 3 TW/cm2 and 90% of th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0473fdecb40ac028bdf30a88cdd37731
https://doi.org/10.1209/epl/i2004-10058-0

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Observation of high energy photoelectrons from solids at moderate laser intensity

Autor: Peter G. Martin, Andrey N. Vasil’ev, G. Geoffroy, B. N. Yatsenko, Andrei Belsky, H. Bachau, Stéphane Guizard, Guillaume Petite, Jérôme Gaudin, A. Philippov

Publikováno v: Applied Physics B. 78:989-994

We investigate the photoemission for a set of wide band-gap crystals irradiated by femtosecond Ti-Sapphire laser pulses at intensities varying from 0.5 to 6 TW/cm2 (below the optical breakdown threshold). The measured total electron yield increases l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5d4c734b9a17449383120bc1772f335e
https://doi.org/10.1007/s00340-004-1438-1

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Photoémission de Csl induite par une impulsion laser intense femtoseconde

Autor: P. Martin, Stéphane Guizard, Andrei Belsky, H. Bachau, Andrey N. Vasil’ev, B. N. Yatsenko, G. Geoffroy

Publikováno v: Journal de Physique IV (Proceedings). 108:113-117

Nous avons mesure pour la premiere fois les spectres de photoelectrons emis par un cristal isolant a large bande interdite, CsI, avec une dynamique de 10 6 coups/s, excite par la source laser haute cadence du C.E.L.I.A ( 800 nm, 40 fs, I kHz, 1 TW).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c6a305c476b5245fd6cbf0c4e423ec77
https://doi.org/10.1051/jp4:20030609

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