This new Fourth Edition of Principles of Lasers is so thoroughly updated and expanded that it is virtually a whole new book. But the text s essential mission remains the same: to provide a wide-ranging yet unified description of laser behavior, physics, technology, and current applications. Dr. Svelto emphasizes the physical rather than the mathematical aspects of lasers, and presents the subject in the simplest terms compatible with a correct physical understanding. F1hHe<)  

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Lists of Examples I2DpRMy  
1. Introductory Concepts DL.!G  
　1.1　Spontaneous and Stimulated Emission, Absorption ~{gqsuCCL  
　1.2　The Laser Idea L=h'Qgk%  
　1.3　Pumping Schemes ET >](l9  
　1.4　Properties of Laser Beams BORA(,  
　1.5　Laser Types r_.S>]  
2. Interface of Radiation with Atoms and Ions ^}C\zW  
3. Energy Levels, Radiative, and Nonradiative Transitions in Molecules and Semiconductors ~;]