Quote:
Originally Posted by multiweb
No because some of your subs will catch some and others won't.
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Not if you were always reading out the chip when those single photons arrived. They don't always come at the expected rate. The less photons, the less predictable the rate, and the greater the potential error.
Calibration won't help if the readout noise is higher than the signal, which with really faint stuff could be the issue with shorter subs.