Commissioning and performance of the variable line spacing plane grating monochromator beamline at the Canadian Light Source

Review of Scientific Instruments - Tập 78 Số 8 - 2007
Yongfeng Hu1, Lucia Zuin1, G.M. Wright1, R. Igarashi1, M. McKibben1, Tracy Wilson1, S. Y. Chen1, Timothy P. Johnson1, Dylan Maxwell1, B. Yates1, T. K. Sham2, R. Reininger3
1University of Saskatchewan Canadian Light Source, , Saskatoon, Saskatchewan S7N 0X4, Canada
2University of Western Ontario Department of Chemistry, , London, Ontario N6A 5B7, Canada
3Scientific Answers & Solutions , 5708 Restal Street, Madison, Wisconsin 53711

Tóm tắt

The variable line spacing plane grating monochromator beamline at the Canadian Light Source (CLS) employs three grazing incidence variable line spacing gratings to cover a photon energy range of 5–250eV. It uses a 185mm period length planar permanent magnet insertion device as the photon source, sharing a straight section with another soft x-ray beamline at the CLS. The commissioning and performance of the beamline is reported. The high resolution photoabsorption spectra of Ar and PF5 gases are reported. A resolving power of over 40 000 for photons in the low energy region and >10000 for a wider energy range (8–200eV) can be achieved. A photon flux of up to 2×1012photons∕sper100mA with slit settings of 50μm has been measured.

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Review of Scientific Instruments

Tập 78 Số 8

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