Optics: Optical isolator | MIT Video Demonstrations in Lasers and Optics

[@vyshious]

Helpful. Unlike fiddly in-class demos, these always work!

[@ArijitKumarDasepb]

why did we use a quarter-wave plate here? Shouldn't another polarizer do the work?

[@leonhardeuler8457]

Then no light would reach to the mirror

[@jubilifeTVextra]

I called 911. they're communication.