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February 7, 2016 at 9:56 am #2610
Hi Paul and Paul,
Subtracting the background is a nice feature, but will require some work. There also a hidden assumption that you can fully compensate for the different backgrounds which is not 100% true.
As for scanning cups, PTFE is indeed a recommended material.
Feel free to ask further questions.
Ayelet and Guy,
The Consumer Physics Team