Optical Spectroscopy of Glasses

Abstract

Dynamical Theory of Optical Linewidths in Glasses -- 1. Introduction -- 2. Model Hamiltonian -- 3. TLS Line-Broadening Mechanism -- 4. Homogeneous Linewidth -- 5. Microscopic Theory -- 6. Conclusions -- Optical Spectroscopy of Ions in Inorganic Glasses -- 1. Introduction -- 2. Inorganic Glass Structure and Composition -- 3. Optical Properties of Impurity Centers in Inorganic Glass -- 4. Laser Spectroscopy of Ions in Glasses -- 5. Concluding Remarks -- Model Calculation of Optical Dephasing in Glasses -- 1. Introduction -- 2. The Model and its Hamiltonian -- 3. Optical Line Shape Calculated with Mori's Formalism -- 4. Guest Molecule Coupled to a Single TLS -- 5. Line Shape -- 6. Averaging over Two-Level Systems -- 7. Coupling of the Impurity to Several Two-Level Systems -- 8. Concluding Remarks -- Structural Relaxation Processes in Polymers and Glasses as Studied by High Resolution Optical Spectroscopy -- 1. Introduction -- 2. The' site-Memory' Function -- 3. The Non-Equilibrium Nature of Glasses and its Relation to Optical Properties -- 4. Dynamic and Adiabatic Optical Relaxation Processes -- 5. Reversibility and Irreversibility -- 6. The Residual Linewidth -- 7. Spectral Diffusion and Structural Relaxation: Model Description -- 8. The Logarithmic Decay Law and its Relation to Other Dispersive Time Dependencies -- 9. Experimental Investigation of Spontaneous Structural Relaxation Processes -- 10. Field Effects and Spectral Diffusion Phenomena -- Models for Reaction Dynamics in Glasses -- 1. Introduction -- 2. Relaxation Viewed as Chemical Reaction: the Kinetic Approach -- 3. A Parallel Relaxation Scheme: the Direct Transfer -- 4. Parallel-Sequential Schemes: Random Walks -- 5. Continuous-Time Random Walks (CTRW) -- 6. Ultrametric Spaces (UMS) -- 7. The Bimolecular Reactions A + A? 0, A + B? 0 (A0 = B0) -- 8. Conclusions.