Electromagnetics of Time Varying Complex Media Frequency and Polarization Transformer 2nd Edition by Dikshitulu Kalluri 1351834002 9781351834001

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ISBN 10: 1351834002 

ISBN 13: 9781351834001

Author: Dikshitulu K. Kalluri

Completely revised and updated to reflect recent advances in the fields of materials science and electromagnetics, Electromagnetics of Time Varying Complex Media, Second Edition provides a comprehensive examination of current topics of interest in the research community—including theory, numerical simulation, application, and experimental work. Written by a world leader in the research of frequency transformation in a time-varying magnetoplasma medium, the new edition of this bestselling reference discusses how to apply a time-varying medium to design a frequency and polarization transformer. This authoritative resource remains the only electromagnetic book to cover time-varying anisotropic media, Frequency and Polarization Transformer based on a switched magnetoplasma medium in a cavity, and FDTD numerical simulation for time-varying complex medium. Providing a primer on the theory of using magnetoplasmas for the coherent generation of tunable radiation, early chapters use a mathematical model with one kind of complexity—eliminating the need for high-level mathematics. Using plasma as the basic medium to illustrate various aspects of the transformation of an electromagnetic wave by a complex medium, the text highlights the major effects of each kind of complexity in the medium properties. This significantly expanded edition includes: Three new parts: (a) Numerical Simulation: FDTD Solution, (b) Application: Frequency and Polarization Transformer, and (c) Experiments A slightly enhanced version of the entire first edition, plus 70% new material Reprints of papers previously published by the author—providing researchers with complete access to the subject The text provides the understanding of research techniques useful in electro-optics, plasma science and engineering, microwave engineering, and solid state devices. This complete resource supplies an accessible treatment of the effect of time-varying parameters in conjunction with one or more additional kinds of complexities in the properties of particular mediums.

Table of contents:

Part I Theory: Electromagnetic Wave Transformation in a Time-Varying Magnetoplasma Medium
1. Isotropic Plasma: Dispersive Medium
1.1 Introduction
1.2 Basic Field Equations for a Cold Isotropic Plasma
1.3 One-Dimensional Equations
1.4 Profile Approximations for Simple Solutions
1.5 Dispersive Media
References

2. Space-Varying Time-Invariant Isotropic Medium
2.1 Basic Equations
2.2 Dielectric–Dielectric Spatial Boundary
2.3 Reflection by a Plasma Half-Space
2.4 Reflection by a Plasma Slab
2.4.1 Tunneling of Power through a Plasma Slab
2.5 Inhomogeneous Slab Problem
2.5.1 Periodic Layers of the Plasma
2.5.2 Surface Waves
References

3. Time-Varying and Space-Invariant Isotropic Plasma Medium
3.1 Basic Equations
3.2 Reflection by a Suddenly Created Unbounded Plasma Medium
3.3 ω–k Diagram and the Wiggler Magnetic Field
3.4 Power and Energy Considerations
3.5 Perturbation from Step Profile
3.6 Causal Green’s Function for Temporally-Unlike Plasma Media
3.7 Transmission and Reflection Coefficients for a General Profile
3.8 Transmission and Reflection Coefficients for a Linear Profile
3.9 Validation of the Perturbation Solution by Comparing with the Exact Solution
3.10 Hump Profile
3.11 Comparison Identities
References

4. Switched Plasma Half-Space: A and B Waves
4.1 Introduction
4.2 Steady-State Solution
4.3 Transient Solution
4.3.1 Formulation and Solution
4.3.2 Steady-State Solution from the Transient Solution
References

5. Switched Plasma Slab: B Wave Pulses
5.1 Introduction
5.2 Development of the Problem
5.3 Transient Solution
5.4 Degenerate Case
5.5 A Component from Steady-State Solution
5.6 Numerical Results
References

6. Magnetoplasma Medium: L, R, O, and X Waves
6.1 Introduction
6.2 Basic Field Equations for a Cold Anisotropic Plasma Medium
6.3 One-Dimensional Equations: Longitudinal Propagation: L and R Waves
6.4 One-Dimensional Equations: Transverse Propagation: O Wave
6.5 One-Dimensional Solution: Transverse Propagation: X Wave
6.6 Dielectric Tensor of a Lossy Magnetoplasma Medium
6.7 Periodic Layers of Magnetoplasma
6.8 Surface Magnetoplasmons
6.9 Surface Magnetoplasmons in Periodic Media
References

7. Switched Magnetoplasma Medium
7.1 Introduction
7.2 One-Dimensional Equations: Longitudinal Propagation
7.3 Sudden Creation: Longitudinal Propagation
7.4 Numerical Results: Longitudinal Propagation
7.5 Damping Rates: Longitudinal Propagation
7.6 Sudden Creation: Transverse Propagation: X wave
7.7 Additional Numerical Results
7.8 Sudden Creation: Arbitrary Direction of the Static Magnetic Field
7.9 Frequency Shifting of Low-Frequency Waves
References

8. Longitudinal Propagation in a Magnetized Time-Varying Plasma
8.1 Introduction
8.2 Perturbation from Step Profile
8.3 Causal Green’s Function for Temporally-Unlike Magnetized Plasma Media
8.4 Scattering Coefficients for a General Profile
8.5 Scattering Coefficients for a Linear Profile
8.6 Numerical Results
8.7 Wiggler Magnetic Field
8.8 E-Formulation
8.9 Summary
References

9. Adiabatic Analysis of the MSW in a Transient Magnetoplasma
9.1 Introduction
9.2 Adiabatic Analysis for R Wave
9.3 Modification of the Source Wave by a Slowly Created Plasma
9.4 Modification of the Whistler Wave by a Collapsing Plasma Medium
9.5 Alternative Model for a Collapsing Plasma
9.6 Modification of the Whistler Wave by a Collapsing Magnetic Field
9.7 Adiabatic Analysis for the X Wave
References

10. Miscellaneous Topics
10.1 Introduction
10.2 Proof of Principle Experiments
10.3 Moving Ionization Front
10.4 The Finite-Difference Time-Domain Method
10.5 Lorentz Medium
10.6 Mode Conversion of X Wave
10.7 Frequency-Shifting Topics of Current Research Interest
10.8 Chiral Media: R and L Waves
10.9 Solitons
10.10 Astrophysical Applications
10.11 Virtual Photoconductivity
References

Part II Numerical Simulation: FDTD for Time-Varying Medium
11. FDTD Method
11.1 Air-Transmission Line
11.2 FDTD Solution
11.3 Numerical Dispersion
11.4 Stability Limit and Courant Condition
11.5 Open Boundaries
11.6 Source Excitation
11.7 Frequency Response
11.8 Waves in Inhomogeneous, Nondispersive Media: FDTD Solution
11.9 Waves in Inhomogeneous, Dispersive Media
11.10 Waves in Debye Material: FDTD Solution
11.11 Total Field/Scattered Field Formulation
11.12 Perfectly Matched Layer: Lattice Truncation
11.13 Exponential Time Stepping
11.14 FDTD for a Magnetoplasma
11.15 Three-Dimensional FDTD
References

Part III Application: Frequency and Polarization Transformer—Switched Medium in a Cavity
12. Time-Varying Medium in a Cavity and the Effect of the Switching Angle
12.1 Introduction
12.2 Sudden Creation in a Cavity and Switching Angle
12.2.1 Fields before Switching
12.2.2 Sudden Creation and Results
12.3 FDTD Method for a Lossy Plasma with Arbitrary Space and Time Profiles for the Plasma Density
12.4 Switching a Magnetoplasma: Longitudinal Modes
12.5 Switching a Magnetoplasma Medium: X Wave
12.6 Switching Off the Magnetoplasma by Collapse of the Ionization: Whistler Source Wave
12.7 Switching Off the Magnetoplasma by Collapse of the Background Magnetic Field: Whistler Source Wave
References

Part IV Experiments
13. Experiments
13.1 Mark Rader: 1
13.2 Mark Rader: 2
13.3 Spencer Kuo
13.4 Mori and Joshi
References

14. Problems

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Tags: Dikshitulu Kalluri, Electromagnetics, Varying, Frequency