Optics Step by Step

A lightweight execution-visualization book.

Rays and Reflection

Refraction and Lenses

Images by Rays

Lens Equation and Magnification

Mirrors

Sign and Side Audits

Lens Equation Inference Scans

Path Difference Decides Fringes

Young Fringes As A Paraxial Ledger

Slit And Grating Angle Ledgers

Thin Film Phase And Source Audit

Relation Cross-Scans

Deeper Grating Scans

Source-Bound Boundary Scans

Real Double-Slit Fringe Ledger