Jan 16, 2023 #1 Tmoose Mechanical Joined Apr 12, 2003 Messages 5,636 Location US There are some light gray ones on Amazon etc. Is a clear polarizing filter even possible? thanks, Dan T
There are some light gray ones on Amazon etc. Is a clear polarizing filter even possible? thanks, Dan T
Jan 16, 2023 #2 3DDave Aerospace Joined May 23, 2013 Messages 11,544 Location US Since they block the light that doesn't match their polarization they will not allow all the light through. Upvote 0 Downvote
Since they block the light that doesn't match their polarization they will not allow all the light through.
Jan 16, 2023 #3 IRstuff Aerospace Joined Jun 3, 2002 Messages 44,942 Location US Essentially by definition, a polarizing filter removes 50% of light impinging on it; a second perpendicular one will remove the remaining. TTFN (ta ta for now) I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvgfaq731-376 forum1529 Entire Forum list http://www.eng-tips.com/forumlist.cfm Upvote 0 Downvote
Essentially by definition, a polarizing filter removes 50% of light impinging on it; a second perpendicular one will remove the remaining. TTFN (ta ta for now) I can do absolutely anything. I'm an expert! https://www.youtube.com/watch?v=BKorP55Aqvgfaq731-376 forum1529 Entire Forum list http://www.eng-tips.com/forumlist.cfm
Jan 21, 2023 #4 3DDave Aerospace Joined May 23, 2013 Messages 11,544 Location US About stacked polarization filters: Bell's Theorem; https://www.youtube.com/watch?v=zcqZHYo7ONs Upvote 0 Downvote