Elements of the Electromagnetic Theory of Light (Classic Reprint) - Tapa blanda

Sinopsis

1. The Origin of the Electromagnetic Theory. The electromagnetic theory of light, now for many years in universal acceptance, was proposed and developed by James Clerk Maxwell about the year 1865* By elimination, from his classical differential equations, of the electric current Maxwell has obtained, for the " vector potential" 51,+ a differential equation of the second order which in the case of a non-conducting isotropic medium has assumed the form */*^=v% .... [M] where v2 is the Laplacian (Maxwell's - v*» borrowed from Hamilton's calculus of quaternions). Maxwell's coefficients, the " specific inductive capacity " K, and the magnetic " permeability " ft, are not pure numbers. Let c be the ratio of the electromagnetic unit of electric charge to the electrostatic unit of charge. Then Maxwell's coefficients are such that, for air (or vacuum), K = 1, /* ="-5, in the electrostatic system, K = ft, = 1, in the electromagnetic system. G * Phil, Tram., 18G5, p. 150 et sa

Table of Contents

CONTENTS; page; 1 The Origin of the Electromagnetic Theory 1; 2 Advantages of the Electromagnetic over the Elastic; Theory of Light 5; 3 Maxwell's Equations Plane Waves 16; 4 Reflection and Refraction at the Boundary of Isotropic; Media; E in Plane of Incidence 22; 5 Reflection and Refraction ; E _L Plane of Incidence Note; on the Transition Layer 28; 6 Total Reflection 31; 7 Optics of Crystalline Media : General Formula and; Theorems 35; 8 The Properties of the Electrical Axes of a Crystal 41 i, Optical Axes 43; 10 Uniaxial Crystals 45; Index r* 47; vii

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