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- Apr 1, 2013
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I just purchased a <200mW Green laser pointer which has no infrared filter. I am wondering if an infrared filter removed from a Web Cam would work to block Infrared from my naked laser. I have no way to characterize one other than the fact that most Web Cams use a CMOS detector all of which I think require a similar band pass filter to render pictures more natural. How much IR they block is basically unknown.
Possibly someone has a DIY method of testing a filter.
Possibly someone has a DIY method of testing a filter.