High photon flux Kα Mo x-ray source driven by a multi-terawatt femtosecond laser at 100 Hz | Zendy

Yasmina Azamoum | Zendy; R. Clady | Zendy; A. Ferré | Zendy; M. Gambari | Zendy; O. Utéza | Zendy; M. Sentís | Zendy

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High photon flux Kα Mo x-ray source driven by a multi-terawatt femtosecond laser at 100 Hz

Author(s) -

Yasmina Azamoum,

R. Clady,

A. Ferré,

M. Gambari,

O. Utéza,

M. Sentís

Publication year - 2018

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.43.003574

Subject(s) - femtosecond , optics , laser , brightness , photon , photon flux , materials science , flux (metallurgy) , physics , metallurgy

We develop a pulsed hard x-ray K α source at 17.4 keV produced by the interaction of a multi-terawatt peak power infrared femtosecond laser pulse with a thick molybdenum (Mo) target at a 100 Hz repetition rate. We measure the highest Mo K α photon production reported to date corresponding to a K α photon flux of 1×10 11 ph/(sr·s) and an estimated peak brightness of ∼2.5×10 17 ph/(s·mm 2 ·mrad 2 (0.1% bandwidth)) at ∼5×10 18 W/cm 2 driving laser intensity.

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