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RIS citation export for MOPLM18: Design of the 2-Stage Laser Transport for the Low Energy RHIC Electron Cooling (LEReC) DC Photogun

AU  - Inacker, P.
AU  - Bellavia, S.
AU  - Curcio, A.J.
AU  - Fedotov, A.V.
AU  - Fischer, W.
AU  - Gassner, D.M.
AU  - Jamilkowski, J.P.
AU  - Kankiya, P.K.
AU  - Kayran, D.
AU  - Lehn, D.
AU  - Meier, R.
AU  - Miller, T.A.
AU  - Minty, M.G.
AU  - Nayak, S.K.
AU  - Nguyen, L.K.
AU  - Smart, L.
AU  - Spataro, C.J.
AU  - Sukhanov, A.
AU  - Tuozzolo, J.E.
AU  - Zhao, Z.
ED  - Yamazaki, Yoshishige
ED  - Raubenheimer, Tor
ED  - McCausey, Amy
ED  - Schaa, Volker RW
TI  - Design of the 2-Stage Laser Transport for the Low Energy RHIC Electron Cooling (LEReC) DC Photogun
J2  - Proc. of NAPAC2019, Lansing, MI, USA, 01-06 September 2019
CY  - Lansing, MI, USA
T2  - North American Particle Accelerator Conference
T3  - 4
LA  - english
AB  - The electron beam for the recently constructed Low Energy RHIC electron Cooler (LEReC) at Brookhaven National Laboratory is generated by a high-power fiber laser illuminating a photocathode. The pointing stability of the low-energy electron beam, which is crucial to maintain within acceptable limits given the long beam transport, is highly dependent on the center-of-mass (CoM) stability of the laser spot on the photocathode. For reasons of accessibility during operations, the laser itself is located outside the accelerator tunnel, leading to the need to propagate the laser beam 34 m via three laser tables to the photocathode. The challenges to achieving the required CoM stability of 10 microns on the photocathode thus requires mitigation of vibrations along the transport and of weather- and season-related environmental effects, while preserving accessibility and diagnostic capabilities with proactive design. After successful commissioning of the full transport in 2018/19, we report on our solutions to these design challenges.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 144
EP  - 146
KW  - laser
KW  - gun
KW  - electron
KW  - cathode
KW  - alignment
DA  - 2019/10
PY  - 2019
SN  - 2673-7000
SN  - 978-3-95450-223-3
DO  - doi:10.18429/JACoW-NAPAC2019-MOPLM18
UR  - http://jacow.org/napac2019/papers/moplm18.pdf
ER  -