A high‐energy spherical grating monochromator for soft x rays at the Daresbury SRS

A vertically dispersing high‐energy spherical grating monochromator (HESGM) has been installed on the synchrotron radiation source (SRS) at the Daresbury Laboratory. The instrument has no entrance slit and provides a high intensity source of x rays of energy 250–1400 eV focused into a small spot sui...

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Bibliographic Details
Published in:Review of scientific instruments 1992-10, Vol.63 (10), p.4349-4353
Main Authors: Surman, M., Cragg‐Hine, I., Singh, J., Bowler, B. J., Padmore, H. A., Norman, D., Johnson, A. L., Walter, W. K., King, D. A., Davis, R., Purcell, K. G., Thornton, G.
Format: Article
Language:English
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Summary:A vertically dispersing high‐energy spherical grating monochromator (HESGM) has been installed on the synchrotron radiation source (SRS) at the Daresbury Laboratory. The instrument has no entrance slit and provides a high intensity source of x rays of energy 250–1400 eV focused into a small spot suitable for surface spectroscopy. Photoabsorption features of 240 meV have been resolved, but the resolution of the instrument is dependent on the SRS stored beam current. The degree of linear polarization has been measured at the carbon K edge to be 0.80.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1143735