User Info Analysis

Coherence Calculator

Parameters

See http://www.aps.anl.gov/Facility/Storage_Ring_Parameters/index.html for the most up-to-date storage-ring parameters.

Gaussian source sizes (corrected as of June 28, 2005) Vertical Horizontal *

Source to sample (Meters) * Wavelength (Angstroms) Sample to Detector (mm)

Pixel size (microns) Vertical Slit size at sample (microns) Horizontal Slit size at sample (microns)

Relative Bandwidth Sample Thickness (mm) Scattering Wavevector (inv. ang.)

* See attached for an explanation of the effective horizontal source size at 8-ID.


Results

Vertical coherence length = microns. Effective vertical coherence length= microns.

Horizontal coherence length = microns. Effective horizontal coherence length= microns.

longitudinal coherence length = microns.

Beta_ver= Beta_hor= Product of Betas =



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