On Sunday 23 September 2018 19:55:21 Gregg Eshelman via Emc-users wrote: > A circular polarizing filter, like from a pair of RealD 3D movie > glasses, seems to both dim and 'sharpen' a LASER beam somewhat. What > it doesn't do is make the beam split into a row of dots like a linear > polarizing filter does. > I hadn't thought of that Gregg, shame on me. I'll have to ask the missus if she has a pair (or a box of them) of those squirreled away someplace in this midden heap.
She's a retired school teacher. But the array of dots is plenty visible right now. Thanks for the reminder. -- Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users