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This was an option. However it restricts the vertical energy ROI. For soft xrays it would easily and frequently clip the image of the beam as well as require very careful ROI management, and so may have compromised random images for your data.

Another largely untested option are other running conditions recently found. This appears to delay tagging of all images by one event (3 fiducials). However, we are absolutely not certain this behavior is consistent and therefore don't recommend it for critical data.

Detector Resolution

(From Tim Maxwell)

Time resolution is around 1.1 fs RMS for soft x-rays, 2.5 fs fwhm (in quadrature, of course). So actually pulse length is probably 4.3 - 9.7 fs FWHM.

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