Energy deposition dynamics of femtosecond pulses in water

Stefano Minardi; Carles Milián; Donatas Majus; Amrutha Gopal; Gintaras Tamošauskas; Arnaud Couairon; Thomas Pertsch; Audrius Dubietis

doi:10.1063/1.4903759

Energy deposition dynamics of femtosecond pulses in water

Stefano Minardi, Carles Milián, Donatas Majus, Amrutha Gopal, Gintaras Tamošauskas, Arnaud Couairon, Thomas Pertsch, Audrius Dubietis

Research output: Contribution to journal › Article › peer-review

Abstract

We exploit inverse Raman scattering and solvated electron absorption to perform a quantitative characterization of the energy loss and ionization dynamics in water with tightly focused near-infrared femtosecond pulses. A comparison between experimental data and numerical simulations suggests that the ionization energy of water is 8 eV, rather than the commonly used value of 6.5 eV. We also introduce an equation for the Raman gain valid for ultra-short pulses that validates our experimental procedure.

Original language	English
Article number	224104
Journal	Applied Physics Letters
Volume	105
Issue number	22
DOIs	https://doi.org/10.1063/1.4903759
Publication status	Published - 1 Dec 2014

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abstract = "We exploit inverse Raman scattering and solvated electron absorption to perform a quantitative characterization of the energy loss and ionization dynamics in water with tightly focused near-infrared femtosecond pulses. A comparison between experimental data and numerical simulations suggests that the ionization energy of water is 8 eV, rather than the commonly used value of 6.5 eV. We also introduce an equation for the Raman gain valid for ultra-short pulses that validates our experimental procedure.",

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AU - Minardi, Stefano

AU - Milián, Carles

AU - Majus, Donatas

AU - Gopal, Amrutha

AU - Tamošauskas, Gintaras

AU - Couairon, Arnaud

AU - Pertsch, Thomas

AU - Dubietis, Audrius

PY - 2014/12/1

Y1 - 2014/12/1

N2 - We exploit inverse Raman scattering and solvated electron absorption to perform a quantitative characterization of the energy loss and ionization dynamics in water with tightly focused near-infrared femtosecond pulses. A comparison between experimental data and numerical simulations suggests that the ionization energy of water is 8 eV, rather than the commonly used value of 6.5 eV. We also introduce an equation for the Raman gain valid for ultra-short pulses that validates our experimental procedure.

AB - We exploit inverse Raman scattering and solvated electron absorption to perform a quantitative characterization of the energy loss and ionization dynamics in water with tightly focused near-infrared femtosecond pulses. A comparison between experimental data and numerical simulations suggests that the ionization energy of water is 8 eV, rather than the commonly used value of 6.5 eV. We also introduce an equation for the Raman gain valid for ultra-short pulses that validates our experimental procedure.

U2 - 10.1063/1.4903759

DO - 10.1063/1.4903759

M3 - Article

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SN - 0003-6951

VL - 105

JO - Applied Physics Letters

JF - Applied Physics Letters

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Energy deposition dynamics of femtosecond pulses in water

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