Did you also notice that the IR didn't re-emit like you claim it should? It also didn't absorb a fixed amount and then get saturated ... so where is the IR going?

I will give you a hint if he turned the camera to the side of the vessel you would see something interesting and I gave you the answer for a laser tube.

Your experiment image is exactly what I told you would happen.

Last edited by Orac; 07/01/16 02:47 PM.
I believe in "Evil, Bad, Ungodly fantasy science and maths", so I am undoubtedly wrong to you.