A soft x-ray emission flat-field grating spectrometer for time-resolved spectroscopy

Xiaowei Yang; Jianwei Meng; Peng Liu; Xing Liu; Tsu-Chien Weng

doi:10.1117/12.2584349

4 December 2020 A soft x-ray emission flat-field grating spectrometer for time-resolved spectroscopy

Xiaowei Yang, Jianwei Meng, Peng Liu, Xing Liu, Tsu-Chien Weng

Proceedings Volume 11617, International Conference on Optoelectronic and Microelectronic Technology and Application; 1161707 (2020) https://doi.org/10.1117/12.2584349
Event: International Conference on Optoelectronic and Microelectronic Technology and Application, 2020, Nanjing, China

Abstract

A time-resolved soft X-ray emission spectrometer covering 250-620 eV is presented for the study of chemical reaction processes. Contrary to conventional time-resolved spectrometer, our spectrometer can obtain a two-dimensional timeenergy map in single shot by adding an imaging mirror to the flat-field spectrometer. The temporal changes are spatially encoded in the footprint of the probe X-ray beam on the sample via grazing incidence geometry. The flat-field spectrometer design is chosen to alleviate the aberration of the imaging mirror. The spectrometer is optimized at 400 eV, targeting at over 2000 resolving power and sub-picosecond time resolution.

Citation Download Citation

Xiaowei Yang, Jianwei Meng, Peng Liu, Xing Liu, and Tsu-Chien Weng "A soft x-ray emission flat-field grating spectrometer for time-resolved spectroscopy", Proc. SPIE 11617, International Conference on Optoelectronic and Microelectronic Technology and Application, 1161707 (4 December 2020); https://doi.org/10.1117/12.2584349

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