GEOMETRICAL OPTICS: Thin Convex Lenses

Spherical wavefronts of radiation emanate from point sources of light. As the electromagnetic wavefront expands, it carries energy and momentum that become more dispersed as the wavefront gets larger. If the distance between a light source and detector ( such as the human eye ) is infinite, the light detector will intercept a small componentContinue reading “GEOMETRICAL OPTICS: Thin Convex Lenses”

RADIANT ENERGY: Wavenumber, Angular Frequency, and the Wave Nature of Light

Trigonometric functions such as sin ( θ ) and cos ( θ ) are commonly used to model the oscillating motion of traveling waves. In the diagram above, a complete wave cycle occurs from crest-to-crest, trough-to-trough, or along the x-axis as indicated by the blue line. Since the diagram above can be modeled with theContinue reading “RADIANT ENERGY: Wavenumber, Angular Frequency, and the Wave Nature of Light”