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TY - UNPB AU - Igarashi, N. AU - Amemiya, K. AU - Kikuchi, T. AU - Mori, T. AU - Takeichi, Y. AU - Tanaka, H. AU - Uchida, Y. ED - Casas, Joan ED - Schaa, Volker RW ED - Costa, Isidre ED - López, David ED - Prieto, Montserrat TI - Design and Performance Evaluation of the Next Generation Beamlines at New KEK Light Source (KEK-LS) J2 - Proc. of MEDSI2016, Barcelona, Spain, 11-16 September 2016 CY - Barcelona, Spain T2 - Mechanical Engineering Design of Synchrotron Radiation Equipment and Instrumentation Conference T3 - 9 LA - english AB - KEK has been operating two SR sources, the PF-ring and the PF-AR, for about thirty years. We have made a proposal of constructing a new SR facility, tentatively called KEK light source (KEK-LS). An extremely low-emittance storage ring based on the hybrid multi-bend achromatic (HMBA) lattice has been designed as a successor of the aged two rings. The undulator brightness almost approaches 1022 or exceeds 1022 in the soft X-ray to hard X-ray region. It is higher by two orders of magnitude than those of present 3rd generation light sources and by four orders from the PF-ring. The coherent fractions reach 10 % and 1 % at 1 keV and 10 keV, respectively. The KEK-LS will serve as the platform to advance the frontier of science using nanobeam, high-energy resolution beam and high coherent beam. We are conducting necessary studies to fully utilize the high brilliance beams emitted from KEK-LS. We designed beamline optics systems at 1 keV and 10 keV, respectively, and evaluated the beam performance. Also, we are making careful considerations as for the state-of-the-art technology of optics elements. Here, we present the typical beamline designs and the performance by lay-tracing simulations. PB - JACoW Publishing CP - Geneva, Switzerland ER -