PREFACE xiii -- 1. QUALITY FACTORS OF ESA 1 -- 1.1 Introduction / 1 -- 1.2 Chu Antenna Q / 4 -- 1.3 Collin and Rothschild Q Analysis / 8 -- 1.4 Thal Antenna Q / 14 -- 1.5 Radian Sphere with Mu and/or Epsilon: TE Modes / 16 -- 1.6 Radian Sphere with Mu and/or Epsilon: TM Modes / 22 -- 1.7 Effects of Core Losses / 28 -- 1.8 Q for Spheroidal Enclosures / 34 -- References / 36 -- 2. BANDWIDTH AND MATCHING 39 -- 2.1 Introduction / 39 -- 2.2 Foster's Reactance Theorem and Smith Chart / 39 -- 2.3 Fano's Matching Limitations / 41 -- 2.4 Matching Circuit Loss Magnification / 46 -- 2.5 Network and Z0 Matching / 48 -- 2.6 Non-Foster Matching Circuits / 50 -- 2.7 Matched and High-Z Preamp Monopoles / 51 -- 2.7.1 A Short Monopole Matched at One Frequency / 52 -- 2.7.2 Short Monopole with High-Impedance Amplifier / 54 -- References / 55 -- 3. ELECTRICALLY SMALL ANTENNAS: CANONICAL TYPES 59 -- 3.1 Introduction / 59 -- 3.2 Dipole Basic Characteristics / 59 -- 3.2.1 Dipole Impedance and Bandwidth / 59 -- 3.2.2 Resistive and Reactive Loading / 67 -- 3.2.3 Other Loading Configurations / 76 -- 3.2.4 Short Flat Resonant Dipoles / 78 -- 3.2.5 Spherical Helix Antennas / 82 -- 3.2.6 Multiple Resonance Antennas / 84 -- 3.2.6.1 Spherical Dipole; Arc Antennas / 84 -- 3.2.6.2 Multiple Mode Antennas / 86 -- 3.2.6.3 Q Comparisons / 87 -- 3.2.7 Evaluation of Moment Method Codes for Electrically Small Antennas / 88 -- 3.3 Partial Sleeve, PIFA, and Patch / 93 -- 3.3.1 Partial Sleeve / 93 -- 3.3.2 PIFA Designs / 94 -- 3.3.3 Patch with Permeable Substrate / 98 -- 3.4 Loops / 101 -- 3.4.1 Air Core Loops, Single and Multiple Turns / 101 -- 3.4.2 Permeable Core Loops / 107 -- 3.4.3 Receiving Loops / 114 -- 3.4.4 Vector Sensor / 116 -- 3.5 Dielectric Resonator Antennas / 120 -- References / 127 -- 4. CLEVER PHYSICS, BUT BAD NUMBERS 135 -- 4.1 Contrawound Toroidal Helix Antenna / 135 -- 4.2 Transmission Line Antennas / 138 -- 4.3 Halo, Hula Hoop, and DDRR Antennas / 138 -- 4.4 Dielectric-Loaded Antennas / 140.

4.5 Meanderline Antennas / 141 -- 4.6 Cage Monopole / 142 -- References / 143 -- 5. PATHOLOGICAL ANTENNAS 147 -- 5.1 Crossed-Field Antenna / 147 -- 5.2 Infinite Efficiency Antenna / 149 -- 5.3 E-H Antenna / 150 -- 5.4 TE-TM Antenna / 150 -- 5.5 Crossed Dipoles / 151 -- 5.6 Snyder Dipole / 152 -- 5.7 Loop-Coupled Loop / 155 -- 5.8 Multiarm Dipole / 158 -- 5.9 Complementary Pair Antenna / 158 -- 5.10 Integrated Antenna / 159 -- 5.11 Q 1/4 0 Antenna / 160 -- 5.12 Antenna in a NIM Shell / 161 -- 5.13 Fractal Antennas / 162 -- 5.14 Antenna on a Chip / 170 -- 5.15 Random Segment Antennas / 171 -- 5.16 Multiple Multipoles / 171 -- 5.17 Switched Loop Antennas / 173 -- 5.18 Electrically Small Focal Spots / 174 -- 5.19 ESA Summary / 174 -- References / 175 -- 6. SUPERDIRECTIVE ANTENNAS 181 -- 6.1 History and Motivation / 181 -- 6.2 Maximum Directivity / 182 -- 6.2.1 Apertures / 182 -- 6.2.2 Arrays / 183 -- 6.2.2.1 Broadside Arrays of Fixed Spacing / 183 -- 6.2.2.2 Endfire Arrays / 186 -- 6.2.2.3 Minimization Codes / 192 -- 6.2.2.4 Resonant Endfire Arrays / 192 -- 6.3 Constrained Superdirectivity / 194 -- 6.3.1 Dolph-Chebyshev Superdirectivity / 194 -- 6.3.2 Superdirective Ratio Constraint / 198 -- 6.3.3 Bandwidth or Q Constraint / 200 -- 6.3.4 Phase or Position Adjustment / 200 -- 6.3.5 Tolerance Constraint / 201 -- 6.4 Bandwidth, Efficiency, and Tolerances / 201 -- 6.4.1 Bandwidth / 201 -- 6.4.2 Efficiency / 205 -- 6.4.3 Tolerances / 208 -- 6.5 Miscellaneous Superdirectivity / 209 -- 6.6 Superdirective Antenna Summary / 210 -- References / 210 -- 7. SUPERCONDUCTING ANTENNAS 215 -- 7.1 Introduction / 215 -- 7.2 Superconductivity Concepts for Antenna Engineers / 215 -- 7.3 Dipole, Loop, and Patch Antennas / 221 -- 7.3.1 Loop and Dipole Antennas / 222 -- 7.3.2 Microstrip Antennas / 223 -- 7.3.3 Array Antennas / 225 -- 7.3.4 Millimeter-Wave Antennas / 229 -- 7.3.4.1 Waveguide Flat Plane Array / 229 -- 7.3.4.2 Microstrip Planar Array / 230 -- 7.3.5 Submillimeter Antennas / 232.

7.3.6 Low-Temperature Superconducting Antennas / 232 -- 7.4 Phasers and Delay Lines / 233 -- 7.5 Superconducting Antenna Summary / 236 -- References / 236 -- APPENDIX A A WORLD HISTORY OF ELECTRICALLY SMALL ANTENNAS 243 -- APPENDIX B DEFINITIONS OF TERMS USEFUL TO ESA 277 -- APPENDIX C SPHERICAL SHELL OF ENG METAMATERIAL SURROUNDING A DIPOLE ANTENNA 279 -- APPENDIX D FREQUENCY DISPERSION LIMITS RESOLUTION IN VESELAGO LENS 307 -- AUTHOR INDEX 335 -- SUBJECT INDEX 343.