Anil K. Maini

Lasers and Optoelectronics (eBook, ePUB)

Fundamentals, Devices and Applications

• Format: ePub

Produktbeschreibung

With emphasis on the physical and engineering principles, this book provides a comprehensive and highly accessible treatment of modern lasers and optoelectronics. Divided into four parts, it explains laser fundamentals, types of lasers, laser electronics & optoelectronics, and laser applications, covering each of the topics in their entirety, from basic fundamentals to advanced concepts. Key features include: * exploration of technological and application-related aspects of lasers and optoelectronics, detailing both existing and emerging applications in industry, medical diagnostics and therapeutics, scientific studies and Defence. * simple explanation of the concepts and essential information on electronics and circuitry related to laser systems * illustration of numerous solved and unsolved problems, practical examples, chapter summaries, self-evaluation exercises, and a comprehensive list of references for further reading This volume is a valuable design guide for R&D engineers and scientists engaged in design and development of lasers and optoelectronics systems, and technicians in their operation and maintenance. The tutorial approach serves as a useful reference for under-graduate and graduate students of lasers and optoelectronics, also PhD students in electronics, optoelectronics and physics.

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Produktdetails

• Verlag: John Wiley & Sons
• Seitenzahl: 600
• Erscheinungstermin: 5. August 2013
• Englisch
• ISBN-13: 9781118688960
• Artikelnr.: 39477903

Autorenporträt

Dr. Anil Kumar Maini, Director, Laser Science & Technology Centre (DRDO) Metcalfe House, LASTEC, Delhi 110054 (INDIA)E-mail: [e-mail] Dr. Anil K. Maini is presently Director of Laser science and technology centre, Delhi, a premier R&D Laser Laboratory of Defence Research and Development Organization under Ministry of Defence, Govt. of India. He has more than 35 years of R&D experience as a Scientist, Team Leader, Project Director and Director in diverse disciplines related to Electronics, Lasers and Optoelectronics technologies and systems. His contributions have led to number of innovations in the development of different types of Electronics systems, Optronic sensors and Directed energy laser systems for Indian Defence forces. The key products and technologies developed under his guidance include Power Electronics Systems, family of Laser Dazzling Systems for Homeland security applications, Laser Systems for Electro Optic Counter Measures (EOCM) applications and Optoelectronic Simulators & Sensors for electro optically guided precision strike munitions. Dr. Anil K. Maini is Life Fellow of Institution of Electronics and Telecommunication Engineers (IETE) and a senior life member of Indian Laser Association. He has written extensively on a wide range of subjects in Electronics and Optoelectronics. He has authored and co-authored twelve books, 6 of the twelve books being international publications. He has delivered numerous invited talks at various universities and research centres. He has worked with several international universities under different collaborative research programmes. He has to his credit five patents and more than 125 publications in National and International journals.

Inhaltsangabe

Preface xix Part I LASER FUNDAMENTALS 1 1 Laser Basics 3 1.1 Introduction 3
1.2 Laser Operation 3 1.3 Rules of Quantum Mechanics 3 1.4 Absorption,
Spontaneous Emission and Stimulated Emission 4 1.5 Population Inversion 10
1.6 Two-, Three- and Four-Level Laser Systems 11 1.7 Gain of Laser Medium
16 1.8 Laser Resonator 17 1.9 Longitudinal and Transverse Modes 18 1.10
Types of Laser Resonators 21 1.11 Pumping Mechanisms 23 1.12 Summary 29 2
Laser Characteristics 34 2.1 Introduction 34 2.2 Laser Characteristics 34
2.3 Important Laser Parameters 41 2.4 Measurement of Laser Parameters 49
2.5 Laser Beam Diagnostic Equipment 56 2.6 Summary 59 Part II TYPES OF
LASERS 65 3 Solid-state Lasers 67 3.1 Introduction: Types of Laser 67 3.2
Importance of Host Material 67 3.3 Operational Modes 68 3.4 Ruby Lasers 76
3.5 Neodymium-doped Lasers 78 3.6 Erbium-doped Lasers 85 3.7 Vibronic
Lasers 88 3.8 Colour Centre Lasers 90 3.9 Fibre Lasers 91 3.10 Summary 101
4 Gas Lasers 105 4.1 Introduction to Gas Lasers 105 4.2 Helium-neon Lasers
107 4.3 Carbon Dioxide Lasers 111 4.4 Metal Vapour Lasers 115 4.5 Rare Gas
Ion Lasers 118 4.6 Excimer Lasers 120 4.7 Chemical Lasers 121 4.8 Carbon
Dioxide Gas Dynamic Lasers 125 4.9 Dye Laser 125 4.10 Free-electron Lasers
127 4.11 X-Ray Lasers 129 4.12 Summary 129 5 Semiconductor Lasers 132 5.1
Introduction 132 5.2 Operational Basics 132 5.3 Semiconductor Laser
Materials 135 5.4 Types of Semiconductor Lasers 136 5.5 Characteristic
Parameters 148 5.6 Gain- and Index-guided Diode Lasers 152 5.7 Handling
Semiconductor Diode Lasers 152 5.8 Semiconductor Diode Lasers: Application
Areas 153 5.9 Summary 154 Part III LASER ELECTRONICS AND OPTOELECTRONICS
159 6 Building Blocks of Laser Electronics 161 6.1 Introduction 161 6.2
Linear Power Supplies 161 6.3 Switched-mode Power Supplies 173 6.4 Constant
Current Sources 186 6.5 Integrated-circuit Timer Circuits 191 6.6
Current-to-voltage Converter 197 6.7 Peak Detector 199 6.8 High-voltage
Trigger Circuit 200 6.9 Summary 202 7 Solid-state Laser Electronics 208 7.1
Introduction 208 7.2 Spectrum of Laser Electronics 208 7.3 Electronics for
Solid-state Lasers 213 7.4 Electronics for Pulsed Solid-state Lasers 214
7.5 Electronics for CW Solid-state Lasers 233 7.6 Solid-state Laser
Designators and Rangefinders 237 7.7 Summary 238 8 Gas Laser Electronics
242 8.1 Introduction 242 8.2 Gas Discharge Characteristics 242 8.3 Gas
Laser Power Supplies 242 8.4 Helium-Neon Laser Power Supply 244 8.5 Carbon
Dioxide Laser Power Supplies 257 8.6 Power Supplies for Metal Vapour Lasers
260 8.7 Power Supplies for Excimer Lasers 261 8.8 Power Supplies for Ion
Lasers 262 8.9 Frequency Stabilization of Gas Lasers 263 8.10 Summary 267 9
Laser Diode Electronics 271 9.1 Introduction 271 9.2 Laser Diode Protection
271 9.3 Operational Modes 276 9.4 Laser Diode Driver Circuits 278 9.5 Laser
Diode Temperature Control 291 9.6 Summary 308 10 Optoelectronic Devices and
Circuits 315 10.1 Introduction 315 10.2 Classification of Photosensors 315
10.3 Radiometry and Photometry 316 10.4 Characteristic Parameters 318 10.5
Photoconductors 324 10.6 Photodiodes 329 10.7 Phototransistors 340 10.8
Photo- FET, SCR and TRIAC 343 10.9 Photoemissive Sensors 345 10.10 Thermal
Sensors 347 10.11 Displays 349 10.12 Light-emitting Diodes 351 10.13
Liquid-crystal Displays 356 10.14 Cathode Ray Tube Displays 361 10.15
Emerging Display Technologies 362 10.16 Optocouplers 363 10.17 Summary 370
Part IV LASER APPLICATIONS 379 11 Lasers in Industry 381 11.1 Introduction
381 11.2 Material-processing Applications 381 11.3 Laser Cutting 385 11.4
Laser Welding 390 11.5 Laser Drilling 393 11.6 Laser Marking and Engraving
396 11.7 Laser Micromachining 401 11.8 Photolithography 407 11.9 Rapid
Manufacturing 411 11.10 Lasers in Printing 414 11.11 Summary 418 12 Lasers
in Medicine 422 12.1 Introduction 422 12.2 Light-tissue Interaction 422
12.3 Laser Diagnostics 430 12.4 Therapeutic Techniques: Application Areas
442 12.5 Ophthalmology 443 12.6 Dermatology 449 12.7 Laser Dentistry 453
12.8 Vascular Surgery 455 12.9 Photodynamic Therapy 456 12.10 Thermal
Therapy 459 12.11 Summary 460 13 Lasers in Science and Technology 466 13.1
Introduction 466 13.2 Optical Metrology 466 13.3 Laser Velocimetry 478 13.4
Laser Vibrometry 482 13.5 Electronic Speckle Pattern Interferometry 484
13.6 Satellite Laser Ranging 490 13.7 Lasers in Astronomy 494 13.8
Holography 496 13.9 Summary 503 14 Military Applications: Laser
Instrumentation 508 14.1 Introduction 508 14.2 Military Applications of
Lasers 508 14.3 Laser-based Instrumentation 512 14.4 Guided Munitions 532
14.5 Laser Communication 556 14.6 Summary 561 15 Military Applications:
Directed-energy Laser Systems 566 15.1 Introduction 566 15.2 Laser
Technology for Low-intensity Conflict (LIC) Applications 566 15.3
Electro-optic Countermeasures 580 15.4 Directed-energy Laser Weapons 585
15.5 Summary 592 Review Questions 595 Self-evaluation Exercise 596
Bibliography 598 Appendix A: Laser Safety 597 Index 603