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- Title
Scientific instruments for soft X‐ray photon‐in/photon‐out spectroscopy on the PAL‐XFEL.
- Authors
Park, Sang Han; Yoon, Jungbum; Kim, Changsoo; Hwang, Chanyong; Kim, Dong-Hyun; Lee, Sang-Hyuk; Kwon, Soonnam
- Abstract
An overview is given of the soft X‐ray photon‐in/photon‐out instruments on the free‐electron laser (FEL) beamline at the Pohang Accelerator Laboratory, and selected commissioning results are presented. The FEL beamline provides a photon energy of 270 to 1200 eV, with an energy bandwidth of 0.44%, an energy of 200 µJ per pulse and a pulse width of <50 fs (full width at half‐maximum). The estimated total time resolution between optical laser and X‐ray pulses is <100 fs. Instruments for X‐ray absorption spectroscopy (XAS) and resonant inelastic X‐ray scattering (RIXS) have been set up. X‐ray magnetic circular dichroism spectra for a Co/Pt multilayer film and RIXS spectra for α‐Fe2O3(100) have been obtained and the performance of the spectrometer has been evaluated.
- Subjects
SCIENTIFIC apparatus &; instruments; SOFT X rays; FREE electron lasers; MAGNETIC circular dichroism; X-ray spectroscopy; X-ray lasers
- Publication
Journal of Synchrotron Radiation, 2019, Vol 26, Issue 4, p1031
- ISSN
0909-0495
- Publication type
Article
- DOI
10.1107/S1600577519004272