CO2 Lasers Effects and Applications

PrefaceAcknowledgmentsChapter 1 Introduction 1.1 Historical Background 1.2 Interaction of Light with a Two-Level System 1.3 The Production of Population Inversion 1.4 The Threshold for Laser Oscillation 1.5 Optical Resonators 1.6 Characteristics of Laser LightChapter 2 The CO2 Laser 2.1 Introduction 2.2 Axial Flow CO2 Lasers 2.3 Electric Discharge Convection Lasers 2.4 Gas Dynamic Lasers 2.5 Pulsed Transversely Excited CO2 Lasers 2.6 Chemical Transfer Lasers 2.7 Laser MechanismsChapter 3 Detectors, Resonators, and Optical Components 3.1 Introduction 3.2 Parameters Describing Detector Operation 3.3 Sources of Noise in Detectors 3.4 Types of Infrared Detectors 3.5 Windows and Mirrors 3.6 Optical Resonators 3.7 Modulators 3.8 Other Optical ComponentsChapter 4 Laser Heating of Solids: Theory 4.1 Introduction 4.2 Heat Equations 4.3 Basic Data 4.4 Uniform Heating over the Surface Bounding a Semi-Infinite Half-Space 4.5 Circular Surface Source on Semi-Infinite Half-Space 4.6 Gaussian Surface Source on Semi-Infinite Half-Space 4.7 Surface Heating of a Semi-Infinite Slab of Finite Thickness 4.8 Composite Slab 4.9 Heating in the Presence of a Liquid Phase 4.10 Vaporization and Drilling 4.11 Moving Heat Sources 4.12 The Validity of Classical Heat Transfer TheoryChapter 5 Drilling 5.1 Introduction 5.2 Interaction Mechanisms 5.3 Metals 5.4 Nonmetals 5.5 Thin FilmsChapter 6 Welding and Machining 6.1 Introduction 6.2 Microwelding 6.3 Penetration Welding 6.4 Cutting Metals 6.5 Cutting Nonmetals 6.6 Scribing and Controlled Fracture 6.7 MicromachiningChapter 7 Applications of Laser-Induced Evaporation 7.1 Introduction 7.2 Laser Deposition of Thin Films 7.3 Surface Studies 7.4 The Laser Microprobe 7.5 Mass Spectrometric Studies of Laser-Induced Evaporation 7.6 Laser-Triggered Switching 7.7 Laser Trimming of ResistorsChapter 8 Spectroscopy and Laser-Induced Reactions 8.1 Introduction 8.2 Laser-Induced Reactions at Surfaces 8.3 Laser-Induced Reactions in the Gas Phase 8.4 Spectroscopy with Infrared Lasers 8.5 Isotope SeparationChapter 9 Thermal Effects 9.1 Introduction 9.2 Measurement of Thermal Constants 9.3 Metallurgical Effects 9.4 Crystal Growth 9.5 Stress ProductionChapter 10 Propagation, Atmospheric Monitoring, and Communication Links at 10.6 µM 10.1 Introduction 10.2 Absorption and Scattering of CO2 Laser Radiation in the Atmosphere 10.3 Thermally Induced Spatial and Temporal Variations in a 10.6-µM Beam Propagating through the Atmosphere 10.4 Interaction of 10.6-µM Laser Radiation with Particles and Fog Dissipation 10.5 Pollution Monitoring with Infrared Lasers 10.6 Optical Communications Systems at 10.6 µMAppendix A Thermal Conductivity DataAppendix B Heat CapacitiesAppendix C Thermal Diffusivity DataReferencesIndex