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Deutsche Physikalische Gessellschaft IOP Institute of Physics

Time-resolved reflectivity measurements on a plasma mirror with few-cycle laser pulses

Yutaka Nomura1,4, László Veisz1, Karl Schmid1,2, Tibor Wittmann1, Johannes Wild3 and Ferenc Krausz1,2,3

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We present time-resolved reflectivity measurements on a plasma mirror and demonstrate the contrast improvement of sub-10-fs pulses. Detailed characterization of the spatial peak and the average reflectivity, the spatial and temporal properties of the reflected pulses for p- and also for s-polarization are discussed. A complete third-order correlation is measured to compare the temporal structures of the pulses before and after the plasma mirror. Simulation of the hydrodynamic expansion of the plasma supports the measured pulse properties after the reflection.


PACS

52.38.-r Laser-plasma interactions

52.65.Kj Magnetohydrodynamic and fluid equation

52.25.Os Emission, absorption, and scattering of electromagnetic radiation

Subjects

Plasma physics

Dates

Issue 1 (January 2007)

Received 13 October 2006

Published 18 January 2007



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