Book contents
- Frontmatter
- Dedication
- Contents
- Preface
- Part I Light and Fluids
- 1 From Max Planck to Machine Learning
- 2 Elements of Linear Optics
- 3 Green’s Functions
- 4 Rays
- 5 Photon Fluid Transport
- 6 Light Diffusion
- 7 Diffusive Random Lasers
- Part II Photonic Spin Glasses
- Part III Optical Ising Machines
- References
- Subject Index
- Acronym and Abbreviation Index
4 - Rays
from Part I - Light and Fluids
Published online by Cambridge University Press: 26 June 2026
Book contents
- Frontmatter
- Dedication
- Contents
- Preface
- Part I Light and Fluids
- 1 From Max Planck to Machine Learning
- 2 Elements of Linear Optics
- 3 Green’s Functions
- 4 Rays
- 5 Photon Fluid Transport
- 6 Light Diffusion
- 7 Diffusive Random Lasers
- Part II Photonic Spin Glasses
- Part III Optical Ising Machines
- References
- Subject Index
- Acronym and Abbreviation Index
Summary
We introduce ray optics and show how to derive the eikonal equation from the Schrödinger and Maxwell equations. This is the first step needed to derive the radiative transfer equation. The Hamilton description of optical rays and the Wigner function are detailed.
Keywords
Information
- Type
- Chapter
- Information
- Complex PhotonicsFundamentals, Spin Glasses, and Optical Computing, pp. 66 - 78Publisher: Cambridge University PressPrint publication year: 2026
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