Preface. Acknowledgments. Historical Prologue: Fundamentals of Lasers. Electromagnetic Radiation. Elementary Optical Principles. Energy Levels. Interaction of Radiation and Matter. Laser Materials. Population Inversion. Resonant Cavity. Selected References.Properties of Laser Light: Linewidth. Beam Divergence Angle. Spatial Profiles of Laser Beams. Temporal Behavior of Laser Output. Coherence. Radiance. Focusing Properties of Laser Radiation. Power. References. Selected Additional References. Practical Lasers: Gas Lasers. Solid State Lasers. Semiconductor Lasers. Organic Dye Lasers. References. Selected Additional References. Trends in Laser Development: Semiconductor Lasers. Diode-Pumped Solid State Tunable Lasers. Chemical Lasers. Free Electron Lasers. X-Ray Lasers. References. Selected Additional References. Laser Components and Accessories: Mirrors. Optics. Polarizers. Infrared Materials. Detectors. Modulators. Light Beam Deflectors. Q-Switches. Nonlinear Optical Elements. Optical Isolators. Raman Shifters. Injection Seeders. Beam Profilers. Optical Tables. Spatial Light Modulators. Beam Homogenizers. Selected References. Care and Maintenance of Lasers: Damage and Deterioration of Lasers.Care and Maintenance. References. Selected Additional References. Laser Safety: Physiological Effects. Laser Safety Practices and Standards. References. Selected Additional References. Alignment, Tooling and Angle Tracking: Position-SensitiveDetectors. Laser Tooling. Angle Tracking. Lasers in Construction. References. Selected Additional References. Principles Used in Measurement: The Michelson Interferometer. Beat Production (Heterodyne). The Doppler Effect. Coherence Requirements. Selected References.Distance Measurement and Dimensional Control: Interferometric Distance Measurement. Laser Doppler Displacement.