Thin-Film Optical Filters, Fourth Edition
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Features
- Explores the properties, production, and performance of optical filters
- Discusses the fundamental theory and techniques of thin-film optics, including the admittance diagram and vector method
- Cover optical filter-related topics, such as antireflection and high-reflectance coatings
- Presents applications of filters and coatings in several areas, including astronomy and atmospheric temperature sounding
- Contains a new chapter on color in optical coatings as well as a new section on gain in optical coatings
- Provides the basic mathematics needed to perform thin-film calculations
Summary
Written by a world-renowned authority of optical coatings, Thin-Film Optical Filters, Fourth Edition presents an introduction to thin-film optical filters for both manufacturers and users. The preeminent author covers an assortment of design, manufacture, performance, and application topics. He also includes enough of the basic mathematics of optical thin films to enable readers to carry out thin-film calculations.
This new edition of a bestseller retains most of the descriptions of older design techniques because of their importance in understanding how designs work. However, this edition includes a substantial amount of new material as well. A new chapter on color takes into account the increasing importance of color in optical coatings. In addition, a new section discusses the effects of gain in optical coatings.
This comprehensive yet accessible book continues to offer valuable insight into the principles, techniques, and processes of successful coating design. It provides the sound foundation required to make further advances in the field.
Table of Contents
Introduction
Early History
Thin-Film Filters
Basic Theory
Maxwell’s Equations and Plane Electromagnetic Waves
The Simple Boundary
The Reflectance of a Thin Film
The Reflectance of an Assembly of Thin Films
Reflectance, Transmittance, and Absorptance
Units
Summary of Important Results
Potential Transmittance
A Theorem on the Transmittance of a Thin-Film Assembly
Coherence
Incoherent Reflection at Two or More Surfaces
Theoretical Techniques
Quarter- and Half-Wave Optical Thicknesses
Admittance Loci
Electric Field and Losses in the Admittance Diagram
The Vector Method
The Herpin Index
Alternative Method of Calculation
Smith’s Method of Multilayer Design
The Smith Chart
Reflection Circle Diagrams
Antireflection Coatings
Antireflection Coatings on High-Index Substrates
Antireflection Coatings on Low-Index Substrates
Equivalent Layers
Antireflection Coatings for Two Zeros
Antireflection Coatings for the Visible and the Infrared
Inhomogeneous Layers
Further Information
Neutral Mirrors and Beam Splitters
High-Reflectance Mirror Coatings
Neutral Beam Splitters
Neutral-Density Filters
Multilayer High-Reflectance Coatings
The Fabry–Perot Interferometer
Multilayer Dielectric Coatings
Losses
Edge Filters
Thin-Film Absorption Filters
Interference Edge Filters
Band-Pass Filters
Broadband-Pass Filters
Narrowband Filters
Multiple Cavity Filters
Higher Performance in Multiple-Cavity Filters
Phase Dispersion Filter
Multiple Cavity Metal–Dielectric Filters
Measured Filter Performance
Tilted Coatings
Modified Admittances and the Tilted Admittance Diagram
Application of the Admittance Diagram
Polarizers
Nonpolarizing Coatings
Antireflection Coatings
Retarders
Optical Tunnel Filters
Color in Optical Coatings
Color Definition
The 1964 Supplementary Colorimetric Observer
Metamerism
Other Color Spaces
Hue and Chroma
Brightness and Optimal Stimuli
Colored Fringes
Production Methods and Thin-Film Materials
The Production of Thin Films
Measurement of the Optical Properties
Measurement of the Mechanical Properties
Toxicity
Summary of Some Properties of Common Materials
Factors Affecting Layer and Coating Properties
Microstructure and Thin-Film Behavior
Sensitivity to Contamination
Layer Uniformity and Thickness Monitoring
Uniformity
Substrate Preparation
Thickness Monitoring and Control
Tolerances
Specification of Filters and Environmental Effects
Optical Properties
Physical Properties
System Considerations: Applications of Filters and Coatings
Potential Energy Grasp of Interference Filters
Narrowband Filters in Astronomy
Atmospheric Temperature Sounding
Order Sorting Filters for Grating Spectrometers
Glare Suppression Filters and Coatings
Some Coatings Involving Metal Layers
Other Topics
Rugate Filters
Ultrafast Coatings
Automatic Methods
Gain in Optical Coatings
Photonic Crystals
Characteristics of Thin-Film Dielectric Materials
Bibliography
Index
References appear at the end of each chapter.
Author Bio(s)
Editorial Reviews
Praise for the Third Edition
… essential reading for all those involved in the design, manufacture, and application of optical coatings. … a valuable addition to many bookshelves.
—Materials World, September 2001
… continues to be a very practical guide.
—ASLIB Book Guide
The third edition is no less rich and includes expanded references and information on many advances in design and technology since the second edition was published in 1986 … a must-have addition to the library of any optical thin-film theorist or practitioner. It provides extensive methods to use in achieving desired optical performance for a broad range of coating types and extensive references for one to use in delving deeper into these topics.
—Dale E. Morton, Denton Vacuum, LLC, SVC News
It is obvious from the details of his career that Angus knows more about optical coatings, both in terms of design and of fabrication, than most of us put together. It is therefore quite expected that I feel free to state that, in my opinion, this book is a necessity, rather on par with having the use of a coating facility, a good coating program, and a fast computer, for anybody in the field of thin-film optical coatings and filters. Therefore, if you are new in this field, your first priority should be to make sure that you have the undivided use of a copy of this book. … All in all, the book is a good statement of the state of the art of thin-film deposition theory and practice at the turn of the millennium.
—Roger M. Wood, Elsevier
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