Rigorous formula for electromagnetic field power based on Poynting vector |
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Authors: | M. Abolhassani |
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Affiliation: | Department of Physics, Faculty of Science, Arak University, Arak 38156-8-8349, Iran |
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Abstract: | Power of an electromagnetic field in a plane is derived exactly as a function of the angular spectrum of only electric field components at another plane based on Maxwell equations and Poynting vector. Then, this quantity is acquired as a function of the electric field components. In this calculation, a function appears that is general and does not depend on the electromagnetic field function. |
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Keywords: | 03.50.De 42.30.Kq |
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