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Jim Kelley wrote:
As I said, Cecil, your ideas about waves 'possessing energy' need a little work. Complete lack of technical content or technical defense of your assertions is noted - nothing but a bunch of hand-waving. One more challenge for you, Jim. If you can prove that an EM wave can exist without the associated ExB energy, you will no doubt win a Nobel Prize in Physics. Here's what Hecht says: "Any electromagnetic wave exists within some region of space, and it is therefore natural to consider the *radiant energy per unit volume*, or *energy density*. We suppose that the electric field itself can somehow store energy. This is a major logical step since it imparts to the field the attribute of physical reality - if the field has energy, it is a thing-in-itself." Maybe it's past time for you to take that logical step that Hecht took so long ago? "To represent the flow of electromagnetic energy associated with a traveling wave, let 'S' symbolize the transport of energy per unit time (the power) across a unit area. ... it has come to be known as the *Poynting vector*." Hecht labels the energy per unit time in an EM wave as "power". Hecht's Poynting vector equations contain cosine terms. Hecht shoots down virtually every one of your assertions and objections. I notice you carefully avoided my S-Parameter example. -- 73, Cecil http://www.w5dxp.com |
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