Richard Clark wrote:

Cecil Moore wrote:
Most of the reflection examples in _Optics_, by Hecht, assume
zero net refraction and I will continue to follow Hecht's lead.

After-all if we can see
the reflections from these anti-reflective layers, and that is
sufficient proof to invalidate this folderol;

Following exactly the same reasoning, if we can measure loss in
all transmission lines, the concept of a lossless transmission
line is also folderol. The example I gave was designed for
clarity of understanding. If you choose to obfuscate clarity,
don't expect me to join you.
--
73, Cecil http://www.qsl.net/w5dxp

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