Elliptical Gaussian fit function
Focal spot characterization
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