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As shown in the attachment, the book assumes ##\hat E_{}^r=\hat y_r=(\hat x
\cos \theta_r +\hat z \sin\theta_r)##. Why? How do you proof this. I have another post here about the Normal Incidence and no luck.
I am not even convinced that the reflected E is even in the Plane of Incidence, how do you even proof this. I have 5 EM books only Griffiths even attempt to proof in a way I don't even agree for the Normal Incidence. Every book pretty much just give the polarity. If anyone have article or notes, please share with me.
Thanks
Alan
\cos \theta_r +\hat z \sin\theta_r)##. Why? How do you proof this. I have another post here about the Normal Incidence and no luck.
I am not even convinced that the reflected E is even in the Plane of Incidence, how do you even proof this. I have 5 EM books only Griffiths even attempt to proof in a way I don't even agree for the Normal Incidence. Every book pretty much just give the polarity. If anyone have article or notes, please share with me.
Thanks
Alan
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