Partha Pratim Banerjee
Abstract
In contrast with the conventional technique of deriving the Fresnel diffraction formula using Green's functions and the integral theorem of Helmholtz and Kirchhoff, we present a simple direct derivation of Fresnel diffraction by starting out from the scalar wave equation.
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In contrast with the conventional technique of deriving the Fresnel diffraction formula using Green's functions and the integral theorem of Helmholtz and Kirchhoff, we present a simple direct derivation of Fresnel diffraction by starting out from the scalar wave equation.
Key concepts: Fresnel diffraction, Fresnel integral, Fresnel number, Diffraction, Kirchhoff's diffraction formula, Scalar (mathematics), Helmholtz equation, Simple (philosophy)