1. Beam Optics
- Paraxial wave equation
- Gaussian beams as solution of the paraxial wave equation
- Key parameters of a Gaussian beam and their physical properties (beam intensity, width, divergence, wavefront curvature, Gouy phase shift)
- q-parameter and ABCD law for Gaussian beams
- Higher order Gaussian beam modes
- Elliptic Gaussian beams
Chapter 2 (§ 2.4-2.6, 2.8, 2.11) in Yariv's 'Photonics' book.