Nothing that I am aware of. Lots of ways to filter and split, but the only way I know of to change frequency of light involves relative motion between the emitter and the receiver.
Mark > On Feb 21, 2022, at 1:49 AM, Steve Jones <thatoneguyst...@gmail.com> wrote: > > is there such a thing as a filter that could passively alter a light > wavelength? some magic prism? > > like 1391 goes into the magic, non powered box gets touched in its no no > square and comes out 1591? > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com -- AF mailing list AF@af.afmug.com http://af.afmug.com/mailman/listinfo/af_af.afmug.com
