A new concept for temporal gating of synchrotron X‐ray pulses
Schmidt, D.
Bauer, R.
Chung, S.
Novikov, D.
Sander, M.
Pudell, J.-E.
Herzog, M.
Pfuetzenreuter, D.
Schwarzkopf, J.
Chernikov, R.
Gaal, P.
Schmidt, D.; Bauer, R.; Chung, S.; Novikov, D.; Sander, M.; Pudell, J.-E.; Herzog, M.; Pfuetzenreuter, D.; Schwarzkopf, J.; Chernikov, R.; Gaal, P., 2021: A new concept for temporal gating of synchrotron X‐ray pulses. In: Journal of Synchrotron Radiation, Band 28, 2: 375 - 382, DOI: 10.23689/fidgeo-4395.
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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. A new concept for temporal gating of synchrotron X‐ray pulses based on laser‐induced thermal transient gratings is presented.
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