Optical measurement

Run 5 CSPad2-DSD metrology files from Chris Kenney:
2012-01-10-CSPAD2-Configuration.pptx
2012-01-10-Run5-DSD-Metrology.xlsx
2012-01-10-Run5-DSD-Metrology.txt
2012-01-12-Run5-DSD-Metrology-corrected.xlsx
2012-01-12-Run5-DSD-Metrology-corrected.txt

Procedure and table of results

We calculate
S1 - 1st short side of 2x1
S2 - 2nd short side of 2x1
L1 - 1st long side of 2x1
L2 - 2nd long side of 2x1

...

• All ds1, dl1 are well consistent (within +/-10um) with ds1, dl1, respectively
• Angles of 2x1 are in the range from -0.39 to +0.33 degree.

Configuration parameters

Configuration parameters are shown in number of pixels.

For 2x1 pairs in each quad

Coordinates of the 2x1 centers

• Use the same orientation as in optical measurement, center is calculated as an average of 4 corner coordinates
• All coordinates in pixels

...

center_corr/0-end.data are all zeros

2x1-pair orientation angle (degree) in quads

rotation/0-end.data

  0    0  270  270  180  180  270  270
  0    0  270  270  180  180  270  270
  0    0  270  270  180  180  270  270
  0    0  270  270  180  180  270  270

Sensor tilt angle (dergee) from optical measurement

tilt/0-end.data for dPhi:

-0.02500   0.00329  -0.16977  -0.13423  -0.32451  -0.25566   0.02698   0.31916   
-0.02369   0.00461   0.24123   0.06686  -0.22574  -0.26358  -0.16712   0.16513   
-0.03159   0.01447   0.00526   0.33226  -0.17809   0.10962  -0.26712  -0.19214   
-0.12963   0.00526  -0.23951  -0.22634   0.23030   0.08285   0.05132   0.06119

Quads' alignment

Relative quads' alignment is preliminary done based on cxi80410-r1150, based on DSD image averaged over 1000 events,

where the shadow of mechanical parts can be destinguished. In order to lign-up the boarders of this shadow we apply constants:
marg_gap_shift/0-end.data

...