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The solid state maser /
The Solid State Maser presents readings related to solid state maser amplifier from the first tentative theoretical proposals that appeared in the early 1950s to the successful realization of practical devices and their application to satellite communications and radio astronomy almost exactly 10 ye...
| Clasificación: | Libro Electrónico |
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| Otros Autores: | , , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Oxford ; New York :
Pergamon Press,
[1970]
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| Edición: | [1st ed.]. |
| Colección: | Selected readings in physics (The Commonwealth and international library)
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; The Solid State Maser; Copyright Page; Table of Contents; Preface; PART I; CHAPTER 1. An Historical Account of Early Developments; 1.1. Introduction; CHAPTER 2. Maser Materials; 2.1. Paramagnetic Resonance*; 2.2. Paramagnetic Ions in Crystals; 2.3. Choice of Maser Material; 2.4. Properties of Maser Energy Levels; 2.5. Spin-lattice Relaxation; 2.6. Inversion in a Multilevel System; 2.7. Optical Pumping; 2.8. The Spin Hamiltonian; CHAPTER 3. Maser Devices; 3.1. Choice of Active Material; 3.2. Cavity Masers; 3.3. Travelling Wave Masers; 3.4. Determination of Qm.
- CHAPTER 4. The Application of Solid State MasersConclusion; References; PART II; Comments on Paper 1; PAPER 1* A Nuclear Spin System at NegativeTemperature; Comments on Paper 2; PAPER 2* Amplification of Microwave Radiationby Substances not in ThermalEquilibrium; Introduction; A Method of Obtaining Amplification; Symmetric Top Molecules in Electric Fields; Comments on Paper 3; PAPER 3* Molecular Microwave Oscillator and New Hyperfine Structure in the Microwave Spectrum of NH3 t; Comments on Paper 4; PAPER 4* Possible Methods of Obtaining ActiveMolecules for a Molecular Oscillator; References.
- PAPER 5* Proposal for a New Type Solid StateMasertSummary; PAPER 6* Paramagnetic Fine Structure Spectrumof C r + + + in a Single Ruby Crystal t; Summary; I. Introduction; II. Experimental Method; III. Experimental Results; IV. Conclusions; V. Acknowledgments; PAPER 7* Paramagnetic Spectra of SubstitutedSapphires-Part 1 : Rubyt; Summary; I. Introduction; II. The Spin Hamiltonian; III. Energy Levels and Eigenvectors; IV. Transition Probabilities; V. Special Cases; VI. Paramagnetic Resonance Spectra; VII. Acknowledgment; References; PAPER 8* Spin-Lattice Relaxation Times in Rubyat 34 6 Gc/s.
- Abstract 1. Introduction; 2. Apparatus and Technique; 3. Relaxation Times for Low Chromium Concentration; 4. Effects due to Increased Concentration; 5. Very High Concentration; 6. Conclusions; Acknowledgments; References; PAPER 9* Spin-Lattice Relaxation and Cross-Relaxation Interactions in ChromiumCorundum; Summary; 1. Introduction; 2. Method and Experimental Conditions; 3. Theoretical Treatment of Cross-Relaxation betweenCr3+ Levels; 4. Experimental Results and Discussion; References.
- PAPER 1 0 * Microwave Generation in Ruby due toPopulation Inversion produced by Optical AbsorptionReferences; Comments on Papers 11-12; PAPER 11 * Electron Spin Relaxation Times inGadolinium Ethyl Sulfate; PAPER 12* Operation of a Solid State Maser; Comments on Papers 13-14; PAPER 13* Solid-State Maser Amplifiert; Summary; I. Introduction; II. Energy Levels; III. Apparatus and Method; IV. Experimental Results; V. Discussion; VI. Acknowledgments; PAPER 14* Noise Temperature Measurement on aSolid-State Masert; Comments on Paper 15; PAPER 15* The Three-Level Solid State Traveling-Wave Maser.