Open AccessA new concept for temporal gating of synchrotron X‐ray pulses
Author(s) -
Schmidt D.,
Bauer R.,
Chung S.,
Novikov D.,
Sander M.,
Pudell J.-E.,
Herzog M.,
Pfuetzenreuter D.,
Schwarzkopf J.,
Chernikov R.,
Gaal P.
Publication year - 2021
Publication title -
journal of synchrotron radiation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.172
H-Index - 99
ISSN - 1600-5775
DOI - 10.1107/s1600577521000151
Subject(s) - synchrotron , synchrotron radiation , gating , laser , optics , excitation , diffraction , materials science , thermal , pulse (music) , diffraction efficiency , transient (computer programming) , range (aeronautics) , absorption (acoustics) , ultrafast laser spectroscopy , x ray , atomic physics , physics , computer science , detector , physiology , quantum mechanics , meteorology , composite material , biology , operating system
A new concept for temporal gating of synchrotron X‐ray pulses based on laser‐induced thermal transient gratings is presented. First experimental tests of the concept yield a diffraction efficiency of 0.18%; however, the calculations indicate a theoretical efficiency and contrast of >30% and 10 −5 , respectively. The full efficiency of the pulse picker has not been reached yet due to a long‐range thermal deformation of the sample after absorption of the excitation laser. This method can be implemented in a broad spectral range (100 eV to 20 keV) and is only minimally invasive to an existing setup.