Essentials of Lasers (eBook)

Front Cover 1
Essentials of Lasers 4
Copyright Page 5
Table of Contents 8
Dedication 6
Preface 10
PART I 12
CHAPTER 1. Introduction to the Laser 14
CHAPTER 2. The Theory of Lasers 19
CHAPTER 3. Crystalline Solid Lasers 30
CHAPTER 4. Gas Lasers 39
CHAPTER 5. Semiconductor Lasers 49
CHAPTER 6. A More Complex View of the Laser 57
REFERENCES 66
PART II: REPRINTED PAPERS 68
Chapter 1. Infrared and Optical Lases 70
Summary 70
Introduction 70
Characteristics of Masers for Microwave Frequencies 71
Use of Multimode Cavities at High Frequencies 72
Spectrum of a Maser Oscillator 77
Selection of Modes for Amplification 79
Further Discussion of Properties of Masers using Large Dimensions 86
Light Sources for Excitation 91
Solid-state Devices 93
Summary and High-frequency Limits 94
Acknowledgements 95
Chapter 2. Molecular Amplifier and Generator for Submillimeter Waves 96
Chapter 3. Resonant Modes in a Maser Interferometer 99
Summary 99
I. Introduction 99
II. Formulation of the Problem 101
2.1 General Information 101
2.2 Rectangular Plane Mirrors 103
2.3 Circular Plane Mirrors 105
2.4 Confocal Spherical or Paraboloidal Mirrors 107
III. Computer Solutions 109
3.1 General 109
3.2 Infinite Strip Mirrors 109
3.3 Circular Plane Mirrors 113
3.4 Confocal Spherical Mirrors 115
IV. Discussion of Results 121
V. Conclusions 132
Appendix A 133
Appendix B 136
Appendix C 137
References 138
Chapter 4. Optical and Microwave-optical Experiments in Ruby 
140 
References 144
Chapter 5. Stimulated Optical Radiation in Ruby 
145 
Chapter 6. Stimulated Infrared Emission from Trivalent Uranium 
148 
References 154
Chapter 7. Stimulated Optical Emission in Fluorescent Solids. I. Theoretical Considerations 155
Summary 155
Introduction 155
Pumping Power Considerations 157
Spectral Width 165
Conclusions 170
Chapter 8. Possibility of Production of Negative Temperature in Gas Discharges 172
References 177
Chapter 9. Population Inversion and Continuous Optical Maser Oscillation in a Gas Discharge Containing a He-Ne Mixture 178
References 188
Chapter 10. Laser Conditions in Semiconductors 189
Summary 189
References 196
Chapter 11. Coherent Light Emission from GaAs Junctions 
197 
References 202
Chapter 12. Hole Burning Effects in a He–Ne Optical Laser 
203 
Summary 203
1. Introduction 203
2. Maser Construction 204
3. Experimental Results 
205 
4. Parameters in the Present Maser 212
5. Mode Pulling Analysis 214
6. Assumptions on Line Shape 217
7. Homogeneous Broadening 219
8. General Approximate Solution for Optical Masers 220
9. Effect of Holes 221
10. Hole Widths from Stimulated Emission 225
11. Effects of Elastic Scattering 227
12. Semi-empirical Representation of Hole Widths 229
13. Comparison of Mode Pulling Analysis with Experiment 230
14. Conclusion 234
Acknowledgments 236
Appendix I 237
Appendix II 238
Index 242