https://doi.org/10.1140/epjd/s10053-024-00829-3
Regular Article - Cold Matter and Quantum Gases
A continuous beam monochromator for matter waves
Department of Physics and Technology, University of Bergen, Allégaten 55, 5007, Bergen, Norway
Received:
22
January
2024
Accepted:
15
March
2024
Published online:
4
April
2024
Atom and, of late, molecule interferometers find application in both the crucible of fundamental research and industrial pursuits. A prevalent methodology in the construction of atom interferometers involves the utilisation of gratings fashioned from laser beams. While this approach imparts commendable precision, it is hampered by its incapacity to attain exceedingly short wavelengths and its dependence on intricate laser systems for operational efficacy. All applications require the control of matter waves, particularly the particle’s velocity. In this manuscript, we propose a continuous beam monochromator scheme reaching enormously high velocity purification with speed ratios in the order of 
based on atom-surface diffraction. Beyond these high purifications, the proposed scheme simplifies the application by reducing the degree of freedom to a single angle, selecting the wanted particle’s velocity.
© The Author(s) 2024
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