Zobrazeno 1 - 10 of 31 pro vyhledávání: '"J. L. Picqué"'
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Observation of Ionization of Laser Excited Atoms by Synchrotron Radiation
Autor: J. M. Bizau, P. Gérard, D. L. Ederer, J. L. Picqué, G. Spiess, J. L. Legouet, P. Koch, B. Carre, P. Dhez, F. Wuilleumier, J.-C. Keller
Publikováno v: International Astronomical Union Colloquium. 86:128-131
We have begun a program to measure oscillator strengths of autoionizing resonances that result from a transition in the VUV between a laser excited initial state and a final state in which a core electron is promoted. These measurements demonstrate a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ab79e7ebc62c2f692f5cb91413297fb
https://doi.org/10.1017/s025292110008550x
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4
Electron Spectrometry Studies of Collisional Ionization in Laser-Excited Barium Vapour
Autor: G. Spiess, B. Carré, F. J. Wuilleumier, F. Roussel, J. L. Picqué, Jean-Marc Bizau, Denis Cubaynes
Publikováno v: Europhysics Letters (EPL). 4:549-554
We report measurements of the electron energy spectrum resulting from collisional ionization processes in an effusive Ba beam resonantly excited by a CW laser. We discuss the different Ba excited states contributing to ionization.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::31d1132f6da3eff7a9b8987accfac46c
https://doi.org/10.1209/0295-5075/4/5/007
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5
COLLISIONAL IONIZATION IN A RESONANTLY EXCITED ATOMIC VAPOR
Autor: B. Carré, F. J. Wuilleumier, G. Spiess, P. Dhez, Denis Cubaynes, Jean-Marc Bizau, F. Roussel, P. Gérard, P.M. Koch, J.-L. Le Gouët, D. L. Ederer, J. L. Picqué, J.-C. Keller
Publikováno v: Le Journal de Physique Colloques. 46:C1-163
Collisional ionization of sodium and barium vapors resonantly excited with c.w. or pulsed laser sources, and subsequent electron-atom energy transfers, are studied by electron spectroscopy. Cross sections for associative and Penning ionization of sod
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::283604c025f6e456d2dfd0887ec4d8c8
https://doi.org/10.1051/jphyscol:1985117
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6
Direct Observation of Hot-Electron Spectra from Laser-Excited Sodium Vapor
Autor: F. J. Wuilleumier, D. L. Ederer, P. Dhez, J. L. Picqué, Jean-Marc Bizau, Peter M. Koch, J.-L. Le Gouët
Publikováno v: Physical Review Letters. 48:600-603
A sodium atomic beam with density ${10}^{13}$ ${\mathrm{cm}}^{\ensuremath{-}3}$ was illuminated by cw dye laser radiation (a few watts per square centimeter) tuned to the ${D}_{2}$ resonance line. In the energy spectrum of the emitted electrons, seve
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b411de8c4305dd668095e49cb9f6e3a4
https://doi.org/10.1103/physrevlett.48.600
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7
Electron spectrometry study of associative and penning ionization in laser excited sodium vapor
Autor: J.-L. Le Gouët, Jean-Marc Bizau, B. Carré, P. Gérard, D. L. Ederer, J. L. Picqué, G. Spiess, P. Dhez, P.M. Koch, J.-C. Keller, F. J. Wuilleumier
Publikováno v: Optics Communications. 52:29-34
The first observation, by electron spectrometry, is reported in laser-excited sodium vapor of the primary low energy electrons produced by associative ionization and by Penning ionization of sodium atoms in highly excited n1 states. The sequential he
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0529eb52320ce56d959cd83fc4fcd4d2
https://doi.org/10.1016/0030-4018(84)90068-3
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9
CW, single-mode, tunable GaAs laser system with good frequency stability
Autor: S. Roizen, J. L. Picqué, O. Testard, H. H. Stroke
Publikováno v: Applied Physics. 6:373-379
A cryostat has been designed for the refrigeration of a semiconductor diode laser (presently GaAs), using a flow of helium gas with controlled temperature. The possibility of independent adjustment of the injection current and of the temperature of t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b21ab9febd11ff533d44da0f8e550a74
https://doi.org/10.1007/bf00883658
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