Production of a keV X-ray beam from synchrotron radiation in relativistic laser-plasma interaction

We demonstrate that a beam of x-ray radiation can be generated by simply focusing a single high-intensity laser pulse into a gas jet. A millimeter-scale laser-produced plasma creates, accelerates, and wiggles an ultrashort and relativistic electron bunch. As they propagate in the ion channel produce...

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Bibliographic Details
Published in:Physical review letters 2004-09, Vol.93 (13), p.135005.1-135005.4, Article 135005
Main Authors: ROUSSE, Antoine, KIM TA PHUOC, HULIN, Daniéle, SHAH, Rahul, PUKHOV, Alexander, LEFEBVRE, Eric, MALKA, Victor, KISELEV, Sergey, BURGY, Fréderic, ROUSSEAU, Jean-Philippe, UMSTADTER, Donald
Format: Article
Language:English
Subjects:
Exact sciences and technology
Laser-plasma interactions
Optics
Physics
Physics of gases, plasmas and electric discharges
Physics of plasmas and electric discharges
Plasma production and heating
Plasma production and heating by laser beams
Plasma properties
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Summary:We demonstrate that a beam of x-ray radiation can be generated by simply focusing a single high-intensity laser pulse into a gas jet. A millimeter-scale laser-produced plasma creates, accelerates, and wiggles an ultrashort and relativistic electron bunch. As they propagate in the ion channel produced in the wake of the laser pulse, the accelerated electrons undergo betatron oscillations, generating a femtosecond pulse of synchrotron radiation, which has keV energy and lies within a narrow (50 mrad) cone angle.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.93.135005