Laser Beam Shaping, 2nd Edition

9	Engineered Microlens Diffusers
Tasso R. M. Sales

CONTENTS

9.1    Introduction

9.2    The Concept Of Engineered Diffusers

9.3    Typical Configurations

9.4    Design Of Engineered Microlens Diffusers

9.5    Light Control With Engineered Diffusers

9.5.1    Band-Limited Diffusers

9.5.2    High-Efficiency Lambertian Illumination

9.6    Modeling Of Engineered Diffusers

9.7    Summary

References

9.1    INTRODUCTION

Optical diffusers are often used to condition raw illumination and make it useful in a variety of applications. Some examples of conditioning include homogenization, controlled spread and distribution, and intensity shaping. Diffusers also help reduce sensitivity to variations in source properties, amplitude or phase, and provide ...