Energy deposition of single femtosecond filaments in the atmosphere | Zendy

E. W. Rosenthal | Zendy; N. Jhajj | Zendy; I. Larkin | Zendy; S. Zahedpour | Zendy; J. K. Wahlstrand | Zendy; H. M. Milchberg | Zendy

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Energy deposition of single femtosecond filaments in the atmosphere

Author(s) -

E. W. Rosenthal,

N. Jhajj,

I. Larkin,

S. Zahedpour,

J. K. Wahlstrand,

H. M. Milchberg

Publication year - 2016

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.41.003908

Subject(s) - femtosecond , optics , laser , materials science , interferometry , deposition (geology) , atmosphere (unit) , absorption (acoustics) , atmospheric optics , pulse (music) , energy (signal processing) , physics , paleontology , sediment , biology , quantum mechanics , detector , thermodynamics

We present spatially resolved measurements of energy deposition into atmospheric air by femtosecond laser filaments. Single filaments formed with varying laser pulse energy and pulsewidth were examined using longitudinal interferometry, sonographic probing, and direct energy loss measurements. We measure peak and average energy absorption of ∼4 μJ/cm and ∼1 μJ/cm for input pulse powers up to ∼6 times the critical power for self-focusing.

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