Laser Beam Shaping, 2nd Edition

6	Geometrical Methods
David L. Shealy and John A. Hoffnagle

CONTENTS

6.1    Introduction

6.2    Theory

6.2.1    Geometrical Optics

6.2.1.1    Eikonal Equation

6.2.1.2    Intensity Equation

6.2.1.3    Ray Optics

6.2.2    Irradiance Profiles

6.2.2.1    Flattened Irradiance Profiles

6.2.2.2    Practical Applications

6.2.3    Propagation

6.3    Design

6.3.1    Geometrical Optics Law of Intensity

6.3.2    Constant OPL Condition

6.3.2.1    Sag of First Aspheric Surface

6.3.2.2    Sag of Second Aspheric Surface

6.3.3    Nonprojective Transforms

6.4    Optical and Mechanical Tolerances

6.4.1    Figure Error

6.4.2    Error in Relative Location of the Optical Surfaces

6.4.3    Error in Matching the Beam Shaper to the Input Beam

6.5    Refractive ...