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Calculation note: At 8keV, we expect around 30 ADUs per photon in high gain mode. At 6.4keV, we are seeing around 23 ADU per photon. currentADU/currentEnergy*8keV=23/6.4*8=28.75 ADU per photon which is close to 30 ADUs.
K-alpha table for Iron (6.4keV):
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http://www.yourperiodictable.com/copper.php
Pnccd per-pixel gains from flat field measurement
| Date | Detector | Gain mode | Photon source | Occupancy (photons/pixel) | Per-pixel histogram fit HDF5 | Deployed gain file | Comments |
|---|---|---|---|---|---|---|---|
| 2016-04-15 | pnccdFront | 6 | Si K-alpha (1.74keV) | 0.006 | /reg/g/psdm/detector/alignment/pnccd/ amo06516-pnccd-2016-04-14/calib/ PNCCD::CalibV1/Camp.0:pnCCD.0/pixel_gain/ run10_pnccdFront_flatIso_clean.h5 | run10_pnccdFront_flatIso_clean.data | Success rate was high ~0.96%. Filled in the rest with average gain from each 128 pixel strips. |
| 2016-04-15 | pnccdFront | 5 | Si K-alpha (1.74keV) | 0.004 | /reg/g/psdm/detector/alignment/pnccd/ amo06516-pnccd-2016-04-14/calib/ PNCCD::CalibV1/Camp.0:pnCCD.0/pixel_gain/ run15_pnccdFront_flatIso_clean.h5 | run15_pnccdFront_flatIso_clean.data | Success rate was high ~0.96%. Filled in the rest with average gain from each 128 pixel strips. |
| 2016-04-15 | pnccdFront | 4 | Si K-alpha (1.74keV) | 0.003 | /reg/g/psdm/detector/alignment/pnccd/ amo06516-pnccd-2016-04-14/calib/ PNCCD::CalibV1/Camp.0:pnCCD.0/pixel_gain/ run19_pnccdFront_flatIso_clean.h5 | run19_pnccdFront_flatIso_clean.data | Success rate was high ~0.95%. Filled in the rest with average gain from each 128 pixel strips. |
Note: Pnccd has numbered gain modes.
K-alpha table for Silicon (1.74keV):
EPIX per-pixel gains
| Date | Photon Source | Carrier ID 0/1 | Digital Card ID 0/1 | Analog Card ID 0/1 | Experiment/Run | Gain File | Comment |
|---|---|---|---|---|---|---|---|
| 2016-04-14 | Cu K-alpha (8 keV) | 996663297/3791650826 | 1232098304/953206283 | 2655595777/520093719 | xcs01116/95 | gainPixelCorr_passZero_r95_c1.txt | Provided by Philip Hart |
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