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TY - CONF AU - O'Dowd, F.P. AU - Cocco, D. AU - Dakovski, G.L. AU - Defever, J. AU - Guillet, S. AU - Hardin, C.L. AU - Morton, D.S. AU - Osier, T.O. AU - Owens, M.A. AU - Rich, D.W. AU - Zhang, L. ED - Schaa, Volker RW ED - Tavakoli, Keihan ED - Tilmont, Manuel TI - Engineering Challenges for the NEH2.2 Beamline at LCLS-II J2 - Proc. of MEDSI2018, Paris, France, 25-29 June 2018 C1 - Paris, France T2 - Mechanical Engineering Design of Synchrotron Radiation Equipment and Instrumentation T3 - 10 LA - english AB - SLAC National Accelerator Laboratory is developing LCLS-II, a superconducting linear accelerator based FEL capable of repetition rates up to 1MHz. The NEH2.2 Instrument at LCLS-II will use this combination of exceptionally high flux of monochromatic photons to achieve multidimensional and coherent X-ray techniques that are possible only with X-ray lasers. The challenges, which emanate from delivering the beam from the sub-basement level to the basement of the Near Experimental Hall (NEH) along with the stringent requirements for providing a stable beam at the interaction points, necessitate unique engineering solutions. With this paper we present the conceptual design for the NEH2.2 Instrument along with an overview of the R&D program required to validate design performance. Furthermore, it will additionally show the design of the proposed Liquid Jet Endstation (LJE) and Resonant Inelastic X-Ray Scattering Endstation (RIXS) that will be installed on the beamline. After introducing the context and layout of the beamline, this paper will focus on the technical challenges and present the mechanical design solutions adopted for beam delivery and other strategic components. PB - JACoW Publishing CP - Geneva, Switzerland SP - 409 EP - 411 KW - laser KW - experiment KW - detector KW - scattering KW - photon DA - 2018/12 PY - 2018 SN - 978-3-95450-207-3 DO - 10.18429/JACoW-MEDSI2018-THPH36 UR - http://jacow.org/medsi2018/papers/thph36.pdf ER -