What quantity must be small to ensure the validity of the
Fresnel approximation (Use the second-order...
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Physics
What quantity must be small to ensure the validity of theFresnel approximation (Use the second-order term of the Taylorseries expansion)?
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The electric field diffraction pattern at a point x yz is given by Huygen principleis the electric field at the aperturek is the wavenumber i is the imaginary unitThe main problem for solving the integral is the expression ofr we can simplify the algebra by introducing
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