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This example PIN photodiode seems to be sensitive to IR and visible light, and has a parameter
Chris' comments Oct 24: Woo Hoo! Well done! As I look at this we can just use the beamsplitter to capture the outgoing light onto a photodiode at the top. We like (and have on hand) Hamamatsu 2281 photodiodes. They mount well in standard 1-inch mounting hardware.
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