Generation of intense coherent attosecond X-ray pulses using relativistic electron mirrors

We analyse the steepening of the leading edge of femtosecond petawatt pulses with the use of plasma layers and show that, at an electron density several times higher than the critical one, an asymmetric (in time domain) pulse can be produced with an amplitude of the first half-wave differing little...

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Veröffentlicht in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2013-01, Vol.43 (5), p.443-448
Hauptverfasser: Kulagin, V.V., Kornienko, V.N., Cherepenin, V.A., Suk, H.
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container_end_page 448
container_issue 5
container_start_page 443
container_title Quantum electronics (Woodbury, N.Y.)
container_volume 43
creator Kulagin, V.V.
Kornienko, V.N.
Cherepenin, V.A.
Suk, H.
description We analyse the steepening of the leading edge of femtosecond petawatt pulses with the use of plasma layers and show that, at an electron density several times higher than the critical one, an asymmetric (in time domain) pulse can be produced with an amplitude of the first half-wave differing little from the maximum pulse amplitude. Using numerical simulation, we have studied the interaction of such pulses with nanometre-thick films, including the generation of relativistic electron mirrors and the reflection of a counterpropagating probe pulse from such mirrors. The resulting coherent X-ray pulses have a duration of as and a power of at a wavelength of . Our results demonstrate that the reflectivity of a relativistic electron mirror situated in the accelerating pulse field is independent of the probe pulse amplitude when it increases up to the accelerating pulse amplitude.
doi_str_mv 10.1070/QE2013v043n05ABEH015040
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source Institute of Physics Journals
subjects AMPLITUDES
Asymmetry
ATOMIC AND MOLECULAR PHYSICS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Coherence
COMPUTERIZED SIMULATION
ELECTRON DENSITY
ELECTRONS
Femtosecond
generation of coherent attosecond X-ray pulses
LASER RADIATION
MIRRORS
PLASMA
Pulse amplitude
PULSES
REFLECTION
REFLECTIVITY
relativistic electron mirrors
RELATIVISTIC RANGE
very intense nonadiabatic laser pulses
WAVE PROPAGATION
WAVELENGTHS
X RADIATION
X-rays
title Generation of intense coherent attosecond X-ray pulses using relativistic electron mirrors
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