"Version: 20230201"--Title page verso.Includes bibliographical references.1. Introduction / Andy Wood -- 2. Hybrid surface fundamentals / Andy Wood -- 3. Hybrid surface ray tracing / Andy Wood -- 4. Paraxial properties and primary aberrations / Andy Wood -- 5. Chromatic aberration and thermal defocus / Andy Wood -- 6. The Sweatt model / Andy Wood -- 7. Blaze design / Andy Wood -- 8. Modelling d…