1st Edition

Physics and Chemistry of Photochromic Glasses



ISBN 9780849337802
Published September 24, 1997 by CRC Press
256 Pages

USD $270.00

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Book Description

Photochromic glasses are among the most widespread types of glasses, due largely to their popular use in sunglasses. These glasses are used not only in sunglasses, but also in various opto-electronic devices that have been developed and produced throughout the world. Until now, information about photochromic glasses has been widely dispersed in the literature, much of which was published in Russian and therefore of limited accessibility to the Western world. Physics and Chemistry of Photochromic Glasses brings together the combined knowledge and understanding of photochromic glasses from these publications. Coverage includes the structure, optical properties, coloration and bleaching mechanisms, technology, and metrology of these interesting materials.

Table of Contents

Photoinduced Generation of Defects and Photochromism in Homogeneous Silicate Glasses
Intrinsic, Extrinsic, and Induced Absorption Spectra
Color Center Generation by Intrinsic and Extrinsic Absorption Band Excitation
Thermal Fading and Optical Bleaching of Color Centers
Photochromic Properties of Homogeneous Silicate Glasses
Basic Parameters of Photochromic Materials and Methods for Their Measurement
Phenomenological Description of the Properties of Materials with Unstable Photoinduced Absorption
Integral and Spectral Photosensitivity
Spatial Inhomogeneity of Coloration
Photometric Setup for Nonstationary Characteristics Measurement
Photosensitive Phase Formation in Heterogeneous Photochromic Glasses
The Conditions for Heterogeneous System Transparency
The Role of the Vitreous Host in Heterogeneous System Formation
Crystalline Phase Precipitation in the Process of Heat Treatment
Spectral Properties of Photochromic Glasses
Spectra of Silver Halide Glasses
Absorption Spectra of Nonexposed Glasses
Spectra of Photoinduced Absorption
Effect of Optical Bleaching on Photoinduced Absorption Spectra
Spectra of Copper Halide Glasses
Absorption Spectra and Electronic Structure of Nonirradiated Glasses
Nonlinear Absorption
Effect of Scattering on Photoinduced Attenuation Spectra
Kinetics of Coloration, Fading, and Bleaching
Mechanisms of Photoinduced Coloration
Mechanisms of Thermal Fading
Simulation of Kinetic Processes
General Statement of the Simulation Problem
Kinetics of Coloration
Technology of Photochromic Glasses
Melting and Heat Treatment
Effect of Composition on Properties
Silver Chloride
Silver Bromide
Silver Iodide
Copper Admixture
Cation Additives
Anion Additives
Waveguides in Photochromic Glasses
Optical Properties of Planar Ion Exchanged Waveguides
Effect of Ion Exchange on Photochromic Properties
Anisotropy of Photochromism
Mode Selection
Light Propagation in Coupled Photochromic Waveguides
Optical Sensitization of Coloration
Effect of Visible Light on Colored Photochromic Glasses and Waveguides
Cooperative Breeding of Color Centers
Recording and Amplification of Images at Long Wavelength Sensitization
References
Index

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