Strength of electromagnetic, acoustic and Schrodinger reflections

    Authors

    S. Mokhov;B. Y. Zeldovich

    Comments

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    Abstract

    The notion of reflection strength S of a plane wave by an arbitrary non-absorbing layer is introduced, so that the intensity of reflection is R = tanh(2)S. We have shown that the total strength of reflection by a sequence of elements is expressed through particular element strengths and mutual phases between them by a simple addition rule; in particular, its possible maximum is the sum of the absolute strengths of constituents. We show that the standard Fresnel reflection may be understood in terms of variable S as a sum or difference of two separate contributions, due to an impedance step and a speed step. Strength of reflection for propagating acoustic and quantum mechanical waves is also discussed.

    Journal Title

    Proceedings of the Royal Society a-Mathematical Physical and Engineering Sciences

    Volume

    464

    Issue/Number

    2099

    Publication Date

    1-1-2008

    Document Type

    Article

    First Page

    3071

    Last Page

    3080

    WOS Identifier

    WOS:000259364300016

    ISSN

    1364-5021

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