Pulse picker for synchrotron radiation driven by a surface acoustic wave

Optics Letters
Simone VadilongaAlexei Erko

Abstract

A functional test for a pulse picker for synchrotron radiation was performed at Diamond Light Source. The purpose of a pulse picker is to select which pulse from the synchrotron hybrid-mode bunch pattern reaches the experiment. In the present work, the Bragg reflection on a Si/B<sub>4</sub>C multilayer was modified using surface acoustic wave (SAW) trains. Diffraction on the SAW alters the direction of the x rays and it can be used to modulate the intensity of the x rays that reach the experimental chamber. Using electronic modulation of the SAW amplitude, it is possible to obtain different scattering conditions for different x-ray pulses. To isolate the single bunch, the state of the SAW must be changed in the short time gap between the pulses. To achieve the necessary time resolution, the measurements have been performed in conical diffraction geometry. The achieved time resolution was 120 ns.

References

Aug 27, 2005·Journal of Synchrotron Radiation·Milan GembickyPhilip Coppens
Apr 13, 2006·Journal of Synchrotron Radiation·A McPhersonD M Mills
Jan 11, 2007·Journal of Synchrotron Radiation·Milan Gembicky, Philip Coppens
Feb 5, 2009·The Review of Scientific Instruments·Marco CammarataStephan Polachowski
Jan 9, 2010·Annual Review of Physical Chemistry·Christian Bressler, Majed Chergui
Jan 12, 2010·The Review of Scientific Instruments·Kenji ItoPascal Lablanquie
May 6, 2010·The Review of Scientific Instruments·S L G HusheerS J Teat
Sep 24, 2015·Optics Letters·Daniel F FörsterAlexander Föhlisch
Apr 7, 2017·Journal of Applied Crystallography·Simone VadilongaAlexei Erko

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Citations

Mar 3, 2021·Journal of Synchrotron Radiation·D SchmidtP Gaal

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