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Commissioning and user operation of NanoTerasu accelerator system
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Commissioning and user operation of NanoTerasu accelerator system
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Journal Article
Commissioning and user operation of NanoTerasu accelerator system
2025
Overview
A new 3-GeV synchrotron light source, NanoTerasu, started user service in April 2024 to provide highly brilliant soft to tender X-rays as complementary partner of SPring-8 which mainly covers hard X-rays in Japanese photon science platform. The present maximum stored current is 200 mA at top-up mode with current fluctuation of 0.5%. The horizontal and vertical emittances are roughly 1.1 nm.rad and 0.02 nm.rad, respectively, with 200 mA. More than 1,500 hours of scheduled user time were performed by August 2024 with high beam availability of 99.5% and long mean time between failures (MTBF) of 220 hours. The first phase 10 beamlines (BLs) are composed of two multi-pole-wiggler (MPW) BLs for hard X-rays, two in-vacuum undulator BLs for tender X-rays and five APPLE-II undulator BLs and a twin helical undulator BL for EUV and SX regions. The seven BLs are in operation for users for various experiments such as imaging and three BLs are under commissioning. This paper describes commissioning and user operation status of NanoTerasu accelerator system.
Publisher
IOP Publishing
Subject
