Measurements of multiphoton ionization coefficients with ultrashort ultraviolet laser pulses

Multiphoton ionization coefficients of atmospheric gases were measured with ultrashort ultraviolet laser pulses. The values were obtained using two different experimental setups and the pressure range covered four orders of magnitude. The coefficients were pressure-independent and consistent with nu...

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Bibliographic Details
Published in:Applied physics. B, Lasers and optics Lasers and optics, 2001-02, Vol.72 (3), p.343-347
Main Authors: SCHWARZ, J, RAMBO, P, DIELS, J. C
Format: Article
Language:English
Subjects:
Atmospherics
Atomic and molecular physics
Covering
Exact sciences and technology
Ionization coefficients
Ionization of plasmas
Lasers
Molecular properties and interactions with photons
Multiphoton ionization and excitation to highly excited states (e.g., rydberg states)
Multiphoton ionization and excitation to highly excited states (eg, Rydberg states)
Photon interactions with molecules
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma properties
Ultraviolet lasers
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Description
Summary:Multiphoton ionization coefficients of atmospheric gases were measured with ultrashort ultraviolet laser pulses. The values were obtained using two different experimental setups and the pressure range covered four orders of magnitude. The coefficients were pressure-independent and consistent with numbers predicted by the nonresonant Keldysh theory.
ISSN:0946-2171
1432-0649
DOI:10.1007/s003400100496