Quantum Electronics

Quantum Electronics, Volume 2: Maser Amplifiers and Oscillators deals with the experimental and theoretical aspects of maser amplifiers and oscillators which are based on the principles of quantum electronics. It shows how the concepts and equations used in quantum electronics follow from the basic principles of theoretical physics.
Comprised of three chapters, this volume begins with a discussion on the elements of the theory of quantum oscillators and amplifiers working in the microwave region, along with the practical achievements in this field. Attention is paid to two-level paramagnetic masers and the dependence of the form of the emitted signal on the different parameters. The maser oscillator operating with a beam of active molecules is described in the next chapter, which considers the three-level paramagnetic oscillator, the molecular beam oscillator, and the two-level solid-state quantum oscillator. The final chapter is devoted to lasers, including gas lasers and solid-state lasers. Methods of obtaining negative temperatures are described, together with the elements of laser theory and the kinetics of oscillation processes in solid-state lasers.
This book is intended for university students with knowledge of theoretical physics, particularly quantum mechanics.

Contenu

Foreword

Preface to the English Edition

Introduction

Volume 2. Maser Amplifiers and Oscillators

Chapter X . Paramagnetic Maser Amplifiers

41. The Equations of Motion of a Paramagnetic Placed in a High-Frequency Field

42. Susceptibility. The Shape of the Paramagnetic Resonance Line

43. Methods of Inversion in Two-Level Paramagnetic Substances

44. The Theory of the Resonator-Type Two-Level Amplifier

45. The Theory of the Resonator-Type Three-Level Amplifier

46. Four-Level Masers

47. Practical Information on Resonator-Type Paramagnetic Amplifiers

48. Multi-Resonator Amplifiers and Travelling-Wave Amplifiers

49. Non-Linear and Non-Stationary Phenomena in Amplifiers

50. Noise in Maser Amplifiers

    Chapter XI. Maser Oscillators for the Microwave Range

51. The Three-Level Paramagnetic Oscillator

52. The Molecular Beam Oscillator

53. Two-Level Solid-State Quantum Oscillators

    Chapter XII. Lasers

54. Methods of Obtaining Negative Temperatures

55. The Elements of Laser Theory

56. Solid-State Lasers

57. The Kinetics of Oscillation Processes in Solid-State Lasers

58. Gas Lasers

    Appendix II. Laser Resonators

    A.2. General Theory

    .3. Resonators with Spherical and Plane Mirrors

    Appendix III. The Spectra of Paramagnetic Crystals

    A.4. The Hamiltonian of a Paramagnetic Ion in a Crystal

    A.5. The States of a Free Many-Electron Atom

    A.6. Crystal Field Theory

    A.7. The Crystal Field Potential

    A.8. Crystal Field Matrix Elements

    A.9. The Splitting of the Energy Levels of a Single-Electron Ion in an Intermediate Field of Cubic Symmetry

    A.10. The Splitting of the Energy Levels of a Many-Electron Ion in an Intermediate Field of Cubic Symmetry

    A.11. The Optical Spectra of Paramagnetic Crystals

    A.12. Crystal Paramagnetic Resonance Spectra. The Spin Hamiltonian

    A.13. Calculating Spin Hamiltonian Levels

References

Index