We were to define the following:
> Integration Time:
>The difference between Averaging and Smoothing data
>The different forms of Averaging and Smoothing data
> Background Correction and its purpose
> Relative Difference Measurement and the calculations involved with it
> Absorbance
> Transmittance
We read up on this at the PDF download found in this page of the ThorLabs website ( CCS100 PDF file ).
This is what I found:
> Integration Time is how sensitive the CCD is to incoming light. The brighter the source, the lower the integration time required. Higher integration time results in higher peaks in the measurement data.
> Averaging Data means adding several scans to amplify noise or weak signals
--Gliding Average calculates the average from the last data sets no matter if the number of chosen data sets was reached yet
--Block Averaging averages the accumulated scans once the number of chosen data sets is reached
> Smoothing Data is a low pass filter, which suppresses high frequent noise
--Box Smoothing needs the box width, and has no weighting of values
> Background Correction subtracts background reading to reduce noise from ambient surroundings
> Relative Difference changes with respect to reference or background; line measurement values are divided by reference curve values
> Absorbance
> Transmittance mode outputs light transmission by sample in percentage
I was also asked to write up an introduction explaining what the effects of light were on artworks and why taking their light levels is important.
That is all, I suppose.
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