Abstract

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.

© 2016 Optical Society of America

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Corrections

E. W. Rosenthal, N. Jhajj, I. Larkin, S. Zahedpour, J. K. Wahlstrand, and H. M. Milchberg, "Energy deposition of single femtosecond filaments in the atmosphere: erratum," Opt. Lett. 43, 366-366 (2018)
https://www.osapublishing.org/ol/abstract.cfm?uri=ol-43-3-366

13 March 2018: A correction was made to the funding section.


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