1.1 Introduction1.2 Description of Light Waves1.3 Spatial Frequency1.4 The Equation of a Plane Wave1.5 Non-planar Wavefronts1.6 Geometrical Optics1.6.1 The Thin Lens1.6.2 Spherical Mirror1.6.3 Refraction and Reflection1.7 Reflection, Refraction, and the Fresnel Equations1.7.1 Reflection and Refraction1.7.2 The Fresnel Equations1.8 Introduction to Spatial Filtering1.8.1 Phase Contrast ImagingProblems