Ah yes, I forgot about attenuation. This still doesn't answer the core of my question however. I'm sure the laser would be able to complete the loop many many times before being absorbed by the optically clear material.
Hello, this is my first post to this site. I had this idea a few nights ago, and I've been trying to wrap my head around it. Before I go ordering supplies to run some tests, I thought it would be worthwhile to gain some insight from you guys. Anyways, as you probably know, total internal...