LEADER 05381nam 2200637Ia 450 001 9911019092203321 005 20230124182925.0 010 $a1-282-11388-7 010 $a9786612113888 010 $a0-470-45930-1 010 $a0-470-45919-0 035 $a(CKB)1000000000747760 035 $a(EBL)433850 035 $a(SSID)ssj0000354671 035 $a(PQKBManifestationID)11276010 035 $a(PQKBTitleCode)TC0000354671 035 $a(PQKBWorkID)10314682 035 $a(PQKB)11406661 035 $a(MiAaPQ)EBC433850 035 $a(OCoLC)352838768 035 $a(EXLCZ)991000000000747760 100 $a20081022d2009 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 10$aPrinciples of laser materials processing$b[electronic resource] /$fElijah Kannatey-Asibu, Jr 210 $aHoboken, N.J. $cWiley$dc2009 215 $a1 online resource (849 p.) 225 1 $aWiley series on processing of engineering materials 300 $aDescription based upon print version of record. 311 $a0-470-17798-5 320 $aIncludes bibliographical references and index. 327 $aPRINCIPLES OF LASER MATERIALS PROCESSING; CONTENTS; PREFACE; PART I PRINCIPLES OF INDUSTRIAL LASERS; 1 Laser Generation; 1.1 Basic Atomic Structure; 1.2 Atomic Transitions; 1.2.1 Selection Rules; 1.2.2 Population Distribution; 1.2.3 Absorption; 1.2.4 Spontaneous Emission; 1.2.5 Stimulated Emission; 1.2.6 Einstein Coefficients: Ae,B(12),B(21); 1.3 Lifetime; 1.4 Optical Absorption; 1.5 Population Inversion; 1.6 Threshold Gain; 1.7 Two-Photon Absorption; 1.8 Summary; References; Appendix 1A; Problems; 2 Optical Resonators; 2.1 Standing Waves in a Rectangular Cavity; 2.2 Planar Resonators 327 $a2.2.1 Beam Modes2.2.1.1 Longitudinal Modes; 2.2.1.2 Transverse Modes; 2.2.2 Line Selection; 2.2.3 Mode Selection; 2.2.3.1 Transverse Mode Selection; 2.2.3.2 Longitudinal Mode Selection; 2.3 Confocal Resonators; 2.4 Generalized Spherical Resonators; 2.5 Concentric Resonators; 2.6 Stability of Optical Resonators; 2.7 Summary; Appendix 2A; Problems; 3 Laser Pumping; 3.1 Optical Pumping; 3.1.1 Arc or Flash Lamp Pumping; 3.1.2 Diode Laser Pumping; 3.1.2.1 Longitudinal Pumping; 3.1.2.2 Transverse Pumping; 3.1.3 Pumping Efficiency; 3.1.4 Energy Distribution in the Active Medium 327 $a3.2 Electrical Pumping3.3 Summary; 4 Rate Equations; 4.1 Two-Level System; 4.2 Three-Level System; 4.3 Four-Level System; 4.4 Summary; Appendix 4A; Problems; 5 Broadening Mechanisms; 5.1 Line-Shape Function; 5.2 Line-Broadening Mechanisms; 5.2.1 Homogeneous Broadening; 5.2.1.1 Natural Broadening; 5.2.1.2 Collision Broadening; 5.2.2 Inhomogeneous Broadening; 5.3 Comparison of Individual Mechanisms; 5.4 Summary; Appendix 5A; Problems; 6 Beam Modification; 6.1 Quality Factor; 6.2 Q-Switching; 6.2.1 Mechanical Shutters; 6.2.2 Electro-Optic Shutters; 6.2.3 Acousto-Optic Shutters 327 $a6.2.4 Passive Shutters6.3 Q-Switching Theory; 6.4 Mode-Locking; 6.4.1 Active Mode Locking; 6.4.2 Passive Mode-Locking; 6.5 Laser Spiking; 6.6 Lamb Dip; 6.7 Summary; Appendix 6A; Problems; 7 Beam Characteristics; 7.1 Beam Divergence; 7.2 Monochromaticity; 7.3 Beam Coherence; 7.3.1 Spatial Coherence; 7.3.2 Temporal Coherence; 7.4 Intensity and Brightness; 7.5 Frequency Stabilization; 7.6 Beam Size; 7.7 Focusing; 7.8 Radiation Pressure; 7.9 Summary; References; Appendix 7A; Problems; 8 Types of Lasers; 8.1 Solid-State Lasers; 8.1.1 The Ruby Laser; 8.1.2 Neodymium Lasers; 8.1.2.1 The Nd:YAG Laser 327 $a8.1.2.2 The Nd:Glass Laser8.2 Gas Lasers; 8.2.1 Neutral Atom Lasers; 8.2.2 Ion Lasers; 8.2.3 Metal Vapor Lasers; 8.2.4 Molecular Gas Lasers; 8.2.4.1 Vibrational-Rotational Lasers; 8.2.4.2 Vibronic Lasers; 8.2.4.3 Excimer Lasers; 8.3 Dye Lasers; 8.4 Semiconductor (Diode) Lasers; 8.4.1 Semiconductor Background; 8.4.2 Semiconductor Lasers; 8.4.3 Semiconductor Laser Types; 8.4.3.1 Homojunction Lasers; 8.4.3.2 Heterojunction Lasers; 8.4.3.3 Quantum Well Lasers; 8.4.4 Low-Power Diode Lasers; 8.4.5 High-Power Diode Lasers; 8.4.6 Applications of High-Power Diode Lasers; 8.5 Free Electron Laser 327 $a8.6 New Developments in Industrial Laser Technology 330 $aCoverage of the most recent advancements and applications in laser materials processing This book provides state-of-the-art coverage of the field of laser materials processing, from fundamentals to applications to the latest research topics. The content is divided into three succinct parts: Principles of laser engineering-an introduction to the basic concepts and characteristics of lasers, design of their components, and beam delivery Engineering background&-a review of engineering concepts needed to analyze different processes: thermal analysis and fluid flow; solidification 410 0$aWiley series on processing of engineering materials. 606 $aLasers$xIndustrial applications 606 $aMaterials science 615 0$aLasers$xIndustrial applications. 615 0$aMaterials science. 676 $a621.36/6 676 $a621.366 700 $aKannatey-Asibu$b E$01341545 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9911019092203321 996 $aPrinciples of laser materials processing$94002621 997 $aUNINA