Thread: Adjustable IR filters
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Old 16-05-2017, 02:53 PM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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Bojan,
For IR spectroscopy, besides having a suitable sensitive camera all you need is a Red sorting filter - something like a Wratten 25 - this will suppress any overlap with the 2nd order at higher wavelengths (>7500A)
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