X-ray tracing, design and construction of an optimized optics scheme for CoSAXS, the small angle x-ray scattering beamline at MAX IV laboratory

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceeding


A novel optical design for a flexible SAXS beamline at a modern synchrotron has been implemented for the CoSAXS beamline at the 3GeV ring at the MAX TV Laboratory. The performance of the beamline has been simulated through combined ray tracing and wave propagation with the code xrt taking into account the low emittance and highly coherent beam of MAX TV and the short inter-optics distances of the beamline. The total photon flux is estimated to be 1012-1013 ph/s with the coherent flux portion up to 10 % at 7.1 keV. The inhomogeneities in the X-ray beam arising from use of real (non-idealised) mirror surfaces are also modelled using the measured slope profiles of the mirrors. Strategies to mitigate these inhomogeneities are discussed. The optical components for CoSAXS have been constructed and beamline commissioning will start in 2019.


External organisations
  • University of Copenhagen
Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Accelerator Physics and Instrumentation
Original languageEnglish
Title of host publicationProceedings of the 13th International Conference on Synchrotron Radiation Instrumentation, SRI 2018
EditorsShangjr Gwo, Tzu-Hung Chuang, Yao-Chang Lee, Ashish Atma Chainani, Yu-Chun Chuang, Chun-Chieh Wang, Di-Jing Huang, Der-Hsin Wei, Gwo-Huei Luo, Jyh-Fu Lee, Hong-Ji Lin, Gung-Chian Ying, Cheng-Maw Cheng, Jhih-Min Lin, Jin-Ming Chen, Ping-Jung Chou, Ching-Shiang Huang, Yaw-Wen Yang, U-Ser Jeng, Chin-Cheng Kuo, Hwo-Shuenn Sheu, Shih-Chun Chung, Wai-Keung Lau, Hsin-Yi Lee, Mau-Tsu Tang
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735417823
Publication statusPublished - 2019 Jan 15
Publication categoryResearch
Event13th International Conference on Synchrotron Radiation Instrumentation, SRI 2018 - Taipei, Taiwan, Province of China
Duration: 2018 Jun 112018 Jun 15


Conference13th International Conference on Synchrotron Radiation Instrumentation, SRI 2018
CountryTaiwan, Province of China