Classical ElectrodynamicsProblems after each chapter |
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Page 287
... apertures only . Result ( 9.81 ) or ( 9.82 ) is exact if the correct tangential component of E over the apertures is inserted . In practice , we must make some approxi- mation as to the form of the aperture field . But , for plane ...
... apertures only . Result ( 9.81 ) or ( 9.82 ) is exact if the correct tangential component of E over the apertures is inserted . In practice , we must make some approxi- mation as to the form of the aperture field . But , for plane ...
Page 292
... aperture in an opaque screen ) has dimensions comparable to , or large compared to , a wavelength . Then the observation point may be in the near zone , less than a wavelength away from the diffracting system . The near - zone fields ...
... aperture in an opaque screen ) has dimensions comparable to , or large compared to , a wavelength . Then the observation point may be in the near zone , less than a wavelength away from the diffracting system . The near - zone fields ...
Page 297
... Apertures In the large - aperture or short - wavelength limit we have seen that a reasonably good description of the diffracted fields is obtained by approxi- mating the tangential electric field in the aperture by its unperturbed ...
... Apertures In the large - aperture or short - wavelength limit we have seen that a reasonably good description of the diffracted fields is obtained by approxi- mating the tangential electric field in the aperture by its unperturbed ...
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4-vector Ampère's law angle angular distribution approximation atomic axis boundary conditions calculate Chapter charge density charge q charged particle coefficients collisions component conductor consider coordinates cross section current density cylinder d³x delta function dielectric constant diffraction dimensions dipole direction discussed E₁ electric field electromagnetic fields electron electrostatic energy loss expansion expression factor frequency given Green's function impact parameter incident particle inside integral inversion Laplace's equation linear Lorentz transformation macroscopic magnetic field magnetic induction magnetic moment magnitude Maxwell's equations meson modes molecules momentum motion multipole nonrelativistic normal obtain oscillations P₁ parallel plasma point charge Poisson's equation polarization problem radiation radius region relativistic result scalar scalar potential scattering shown in Fig shows solution spherical surface surface-charge density theorem transverse unit V₁ vanishes vector potential velocity volume wave equation wave number wavelength written zero ΦΩ