| Lists of Examples 1. Introductory Concepts 1.1 Spontaneous and Stimulated Emission, Absorption 1.2 The Laser Idea 1.3 Pumping Schemes 1.4 Properties of Laser Beams 1.4.1 Monochromaticity 1.4.2 Coherence 1.4.3 Directionality 1.4.4 Brightness 1.4.5 Short Pulse Duration 1.5 LaserTypes Problems 2. Interaction of Radiation with Atoms and Ions 2.1. Introduction 2.2. Summary ofBlackbody RadiationTheory 2.2.1 Modes of a RectangularCavity 2 2.2 Rayleigh-Jeans and Planck Radiation Formula 2.2.3 Planck’s Hypothesis and Field Quantization 2.3 Spontaneous Emission 2.3.1 Semiclassical Approach 2.3.2 Quantum Electrndynamics Approach 2.3 3 Allowed and F0rbiddenTransitions 2.4 Absorption and Stimulated Emission 2.4.1 Absorption and Stimulated Emission Rates 2.4.2 Allowedand ForbiddenTtansitions 2.4.3 Transition Cross Section，Absorption.and Gain Coe佑cient 2.4.4 Einstein Thermndynamic Treatment 2.5 Line-Broadening Mechanisms 2.5.1 Homogeneous Broadening 2.5.2 Inhomogeneous Broadening 2.5.3 Concluding Remarks 2.6 NonradiativeDecay and Energy Transfer 2.6.l Mechanisms Of Nonradiative Decay 2.6.2 Combined EfieCtS of Radiative and Nonradiative Processes 2.7 Degenerate or Strongly Coupled Levels 2.7.l Degenerate Levels 2.7.2 Strongly Coupled Lex，els 2.8 Saturation 2.8.l Saturation of Absorption：Homogeneous Line 2.8.2 Gain Saturation：Homogeneous Line 2.8.3 InhOmogeneously Broadened Line 2.9 Fluourescence Decay of an Optically Dense Medium 2.9.1 Radiation Trapping 2.9.2 Amplified Spontaneous Emission 2.10 Concluding Remarks Problems References 3. Energy Levels Radiative and Nonradiative Transitions in Molecules and Semiconductors 3.1 Molecules 3.1.1 Energy Levels 3.l.2 Level 0ccupation at Thermal Equilibrium 3.1.3 Stimulated Transitions 3.l.4 Radiative and Nonradiative Decay 3.2 Bulk Semiconductors 3.2.1 Electronic States 3.2.2 Density of States 3.2.3 LeveI Occupation at Thermal Equilibrium 3.2.4 Stimulated Transitions：Selection Rules 3.2.5 Absorption andGain Coefficients 3.2.6 Spontaneous Emission and Nonradiative Decay 3.2.7 Concluding Remarks 3.3 Semiconductor Ouantum Wells 3.3.1 Electronic States 3.3.2 Density of States 3.3.3 Level Occupation at Therrnal Equilibrium 3.3.4 Stimulated Transitions：Selection Rules 3.3.5 Absorption andGain Coefficients 3.3.6 StrainedQuantumwells 3.4 Quantum Wires and Quantum Dots 3.5 Concluding Remarks Problems References 4. Ray and Wave Propagation through Optical Media 4.1 Introduction 5. Passive Optical Resonators 6. Pumping Process 7. Continuous Wave Laser Behavior 8. Transient Laser Behavior 9. Solid-State， Dye， and Semiconductors Lasers 10. Gas. Chemical， Free-Election， and X-Ray Lasers 11. Properties of Laser Beams 12. Laser Beam Transformation：Propagation， Amplification， Frequency Conversion， Pulse Compression， and Pulse Expansion Appendixes Answers to Selected Problems Index |
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