To measure the dark current, we take one spectra and analyze as a function of exposure time:
Mean:
Std:
Wavelength dependent:
We take two spectra and subtract the two. Below is a plot of the residual as a function of exposure time:
...
To measure the dark current, we take one spectra and analyze as a function of exposure time:
Mean:
Std:
Wavelength dependent:
We take two spectra and subtract the two. Below is a plot of the residual as a function of exposure time:
...