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@ARTICLE{Rauer:632189,
author = {Rauer, Patrick},
title = {{P}olarization {B}ased {O}ut-{C}oupling for {C}avity
{B}ased {X}-ray {FEL}s},
journal = {Journal of physics / Conference Series},
volume = {IPAC2023},
number = {3},
issn = {1742-6588},
address = {Bristol},
publisher = {IOP Publ.},
reportid = {PUBDB-2025-02117},
pages = {032014},
year = {2023},
abstract = {Cavity Based X-ray Free-Electron Lasers (CBXFELs) promise
fully 3D coherent, very brilliant and shot-to-shot stable
X-ray pulses. For CBXFELs the X-ray radiation is trapped in
an X-ray optical cavity, which is formed using
Bragg-reflecting crystal mirrors. As is the case for laser
systems in the optical regime, a major question for the
CBXFELs is how to couple out the radiation from the cavity.
Possibilities range from employing semi-transparent thin
crystals, over manipulation of the electron phase space
density to cavity dumping schemes. In this work, making use
of the strong polarization of Bragg reflection shall be
studied for out-coupling. As the radiation does not change
its polarization during Bragg reflection, reflection in the
direction of the polarization vector is suppressed. By
adjusting the 3D orientation of the crystals with respect to
the polarization axis of a linearly polarized undulator, or
vice versa, the transmission through the crystals can be
tailored to some degree independently of the crystal
thickness.},
month = {May},
date = {2023-05-07},
organization = {14th International Particle
Accelerator Conference, Venice (Italy),
7 May 2023 - 12 May 2023},
cin = {MXL / $XFEL_DO_ID_XRO$},
ddc = {530},
cid = {I:(DE-H253)MXL-20160301 /
$I:(DE-H253)XFEL_DO_ID_XRO-20210408$},
pnm = {621 - Accelerator Research and Development (POF4-621)},
pid = {G:(DE-HGF)POF4-621},
experiment = {EXP:(DE-MLZ)NOSPEC-20140101},
typ = {PUB:(DE-HGF)8 / PUB:(DE-HGF)16},
doi = {10.1088/1742-6596/2687/3/032014},
url = {https://bib-pubdb1.desy.de/record/632189},
}