Jim Kelley wrote:
I'll bet the reason no one can measure the radiation pressure resulting
from your "4th mechanism of reflection" is because it cancels out with
the radiation pressure from the cancelled reflection in the other
direction. Right, Cecil? :-)

There is certainly radiation pressure pushing outward
from a 1/4WL thin-film non-reflecting surface even
though the reflected waves cancel each other.
--
73, Cecil http://www.w5dxp.com