These primers give you an overview of the theory behind research with synchrotron light. To understand most of them it would be useful, but not always necessary to have some university-level education in physics.
Further information can also found in the book 'Synchrotron Light Sources and Free-Electron Lasers - Accelerator Physics, Instrumentation and Science Applications' (2020), Editors: E. Jaeschke, S. Khan, J. R. Schneider, J. B. Hastings, DOI: 10.1007/978-3-030-23201-6 online and also available at DESY.
Additional information can also found in the article 'Materials under extreme conditions using large X-ray facilities' (2023), Sakura Pascarelli , Malcolm McMahon, Charles Pépin, Olivier Mathon, Raymond F. Smith, Wendy L. Mao, Hanns-Peter Liermann, Paul Loubeyre, Nature Reviews Methods Primers (2023) 10.1038/s43586-023-00264-5 (via DESY/PUBDB).