Re: Photon Transfer Curve

[pkuschak@xxxxxxxxxxx]

Hi Jens,

> Have you made a linearity curve of the sensor, for example by
> making different exposure times with the same illumination?
> The amount of readout noise could also be very high, but this
> should be seperateable from the photon shot noise in the graph?

I have, and there is some residual nonlinearity at low exposure levels,
but nothing too great.
The readout noise doesn't seem to be too high.

> My ideas are shrinking, so what else can cause the fact that
> the shot noise doesnt increase so much as it should (what a
> lower slope means)?

I don't know either!?!?  I'm going back to basics here .... evaluating
every step of the acquisition process to see if I went wrong somewhere.

Best regards,
Patrick