Elliptical Gaussian fit function

Focal spot characterization

focal_spot_2022_DEC_23.zip
focal_spot_2022_DEC_20_v2.zip

  • Fit of an elliptical Gaussian (left: zoom with fit contour; right: background-subtracted image)

  • Energy enclose inside the FWHM spot area: 0.236 (Airy disk: 0.474) → Strehl: ~ 0.5



Obtaining image from elog / server

http://physics-elog.slac.stanford.edu/facetelog/show.jsp?dir=/2022/50/18.12&pos=2022-12-18T23:47:11

Associated matlab file: /u1/facet/matlab/data/2022/2022-12/2022-12-18










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