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Based on the successful multi-edition book "The Physics of Vibrations and Waves" by John Pain, the authors carry over the simplicity and logic of the approach taken in the original first edition with its focus on the patterns underlying and connecting so many aspects of physical behavior, whilst bringing the subject up-to-date so it is relevant to teaching in the 21st century. The transmission of energy by wave propagation is a key concept that has applications in almost every branch of physics with transmitting mediums essentially acting as a continuum of coupled oscillators. The…mehr
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Based on the successful multi-edition book "The Physics of Vibrations and Waves" by John Pain, the authors carry over the simplicity and logic of the approach taken in the original first edition with its focus on the patterns underlying and connecting so many aspects of physical behavior, whilst bringing the subject up-to-date so it is relevant to teaching in the 21st century. The transmission of energy by wave propagation is a key concept that has applications in almost every branch of physics with transmitting mediums essentially acting as a continuum of coupled oscillators. The characterization of these simple oscillators in terms of three parameters related to the storage, exchange, and dissipation of energy forms the basis of this book. The text moves naturally on from a discussion of basic concepts such as damped oscillations, diffraction and interference to more advanced topics such as transmission lines and attenuation, wave guides, diffusion, Fourier series, and electromagnetic waves in dielectrics and conductors. Throughout the text the emphasis on the underlying principles helps readers to develop their physics insight as an aid to problem solving. This book provides undergraduate students of physics and engineering with the mathematical tools required for full mastery of the concepts. With worked examples presented throughout the text, as well as the Problem sets concluding each chapter, this textbook will enable students to develop their skills and measure their understanding of each topic step-by-step. A companion website is also available, which includes solutions to chapter problems and PowerPoint slides. Review of "The Physics of Vibrations and Waves 6e" This is an excellent textbook, full of interesting material clearly explained and fully worthy of being studied by future contributors ..." Journal of Sound and Vibration
Produktdetails
- Produktdetails
- Verlag: John Wiley & Sons
- Seitenzahl: 368
- Erscheinungstermin: 13. Februar 2015
- Englisch
- ISBN-13: 9781118698389
- Artikelnr.: 42367422
- Verlag: John Wiley & Sons
- Seitenzahl: 368
- Erscheinungstermin: 13. Februar 2015
- Englisch
- ISBN-13: 9781118698389
- Artikelnr.: 42367422
H. J. Pain Emeritus, Department of Physics, Imperial College London, UK Patricia Rankin Department of Physics, University of Colorado, USA
Acknowledgement x About the companion website xi Preface xii Introduction
xiii Table of Constants xiv Table of Energy Storing Processes xv 1 Simple
Harmonic Motion 1 1.1 Displacement in Simple Harmonic Motion 4 1.2 Velocity
and Acceleration in Simple Harmonic Motion 7 1.2.1 Non-linearity 8 1.3
Energy of a Simple Harmonic Oscillator 8 1.4 Simple Harmonic Oscillations
in an Electrical System 12 1.5 Superposition of Two Simple Harmonic
Vibrations in One Dimension 14 2 Damped Simple Harmonic Motion 21 2.1
Complex Numbers 22 2.2 The Exponential Series 22 2.2.1 The Exponential
Series and the Law of Compound Interest 23 2.2.2 Note on the Binomial
Theorem 25 2.2.3 Region 1. Heavy Damping (r2/4m2 > omega2 0) 28 2.2.4
Region 2. Critical Damping (r2/4m2 = omega2 0) 30 2.2.5 Region 3. Damped
Simple Harmonic Motion (r2/4m2 2.3 Methods of Describing the Damping of an
Oscillator 33 2.3.1 Logarithmic Decrement 33 2.3.2 Relaxation Time or
Modulus of Decay 35 2.3.3 The Quality Factor or Q-value of a Damped Simple
Harmonic Oscillator 35 2.3.4 Energy Dissipation 37 2.3.5 Damped SHM in an
Electrical Circuit 38 3 The Forced Oscillator 41 3.1 The Operation of i
upon a Vector 41 3.2 Vector Form of Ohm's Law 43 3.3 The Tuned LCR Circuit
45 3.4 Power Supplied to Oscillator by the Input Voltage 47 3.5 The Q-Value
in Terms of the Resonance Absorption Bandwidth 48 3.6 The Forced Mechanical
Oscillator 50 3.7 Behaviour of Velocity v in Magnitude and Phase versus
Driving Force Frequency omega 56 3.8 Behaviour of Displacement x versus
Driving Force Frequency omega 57 3.9 The Q-Value as an Amplification Factor
59 3.10 Significance of the Two Components of the Displacement Curve 60
3.11 Problem on Vibration Insulation 63 3.12 The Effect of the Transient
Term 65 4 Coupled Oscillations 69 4.1 Stiffness (or Capacitance) Coupled
Oscillators 69 4.2 Normal Modes of Vibration, Normal Coordinates and
Degrees of Freedom 72 4.3 Mass or Inductance Coupling 77 4.4 Coupled
Oscillations of a Loaded String 81 4.5 The Wave Equation 87 5 Transverse
Wave Motion (1) 95 5.1 Partial Differentiation 95 5.2 Waves 98 5.3
Velocities in Wave Motion 99 5.4 The Wave Equation 99 5.5 Solution of the
Wave Equation 101 5.6 Characteristic Impedance of a String (the String as a
Forced Oscillator) 105 5.7 Reflection and Transmission of Waves on a String
at a Boundary 108 5.8 Reflection and Transmission of Energy 112 5.9 The
Reflected and Transmitted Intensity Coefficients 113 5.10 Matching of
Impedances 113 5.11 Standing Waves on a String of Fixed Length 113 5.12
Standing Wave Ratio 116 5.13 Energy in Each Normal Mode of a Vibrating
String 116 6 Transverse Wave Motion (2) 121 6.1 Wave Groups, Group Velocity
and Dispersion 121 6.1.1 Superposition of Two Waves of Almost Equal
Frequencies 121 6.1.2 Wave Groups, Group Velocity and Dispersion 123 6.2
Wave Group of Many Components. The Bandwidth Theorem 125 6.3 Heisenberg's
Uncertainty Principle 128 6.4 Transverse Waves in Periodic Structures (1)
Waves in a Crystal 129 6.5 Linear Array of Two Kinds of Atoms in an Ionic
Crystal 132 6.6 Transverse Waves in Periodic Structures (2) The Diffusion
Equation, Energy Loss from Wave Systems 135 7 Longitudinal Waves 141 7.1
Sound Waves in Gases 141 7.2 Energy Distribution in Sound Waves 145 7.3
Intensity of Sound Waves 148 7.4 Longitudinal Waves in a Solid 149 7.5
Application to Earthquakes 151 7.6 Reflection and Transmission of Sound
Waves at Boundaries 152 7.7 Reflection and Transmission of Sound Intensity
154 7.8 Water Waves 154 7.9 Doppler Effect 156 8 Waves on Transmission
Lines 161 8.1 Ideal or Lossless Transmission Line 163 8.2 Coaxial Cables
164 8.3 Characteristic Impedance of a Transmission Line 165 8.4 Reflections
from the End of a Transmission Line 167 8.5 Short Circuited Transmission
Line (ZL =0) 167 8.6 The Transmission Line as a Filter 169 8.7 Effect of
Resistance in a Transmission Line 172 8.8 Characteristic Impedance of a
Transmission Line with Resistance 176 8.9 Matching Impedances 178 9
Electromagnetic Waves 183 9.1 Maxwell's Equations 183 9.2 Electromagnetic
Waves in a Medium having Finite Permeability mu and Permittivity but with
Conductivity sigma =0 186 9.3 The Wave Equation for Electromagnetic Waves
188 9.4 Illustration of Poynting Vector 189 9.5 Impedance of a Dielectric
to Electromagnetic Waves 191 9.6 Electromagnetic Waves in a Medium of
Properties mu, and sigma (where sigma = 0) 193 9.7 Skin Depth 196 9.8
Electromagnetic Wave Velocity in a Conductor and Anomalous Dispersion 197
9.9 When is a Medium a Conductor or a Dielectric? 198 9.10 Why will an
Electromagnetic Wave not Propagate into a Conductor? 199 9.11 Impedance of
a Conducting Medium to Electromagnetic Waves 200 9.12 Reflection and
Transmission of Electromagnetic Waves at a Boundary 203 9.12.1 Normal
Incidence 203 9.13 Reflection from a Conductor (Normal Incidence) 205 10
Waves in More Than One Dimension 209 10.1 Plane Wave Representation in Two
and Three Dimensions 209 10.2 Wave Equation in Two Dimensions 210 10.3 Wave
Guides 212 10.3.1 Reflection of a 2D Wave at Rigid Boundaries 212 10.4
Normal Modes and the Method of Separation of Variables 216 10.5
Two-Dimensional Case 217 10.6 Three-Dimensional Case 218 10.7 Normal Modes
in Two Dimensions on a Rectangular Membrane 219 10.8 Normal Modes in Three
Dimensions 221 10.9 3D Normal Frequency Modes and the de Broglie Wavelength
223 10.10 Frequency Distribution of Energy Radiated from a Hot Body.
Planck's Law 223 10.11 Debye Theory of Specific Heats 225 11 Fourier
Methods 229 11.1 Fourier Series 229 11.1.1 Worked Example of Fourier Series
233 11.1.2 Fourier Series for any Interval 233 11.2 Application of Fourier
Sine Series to a Triangular Function 236 11.3 Application to the Energy in
the Normal Modes of a Vibrating String 237 11.4 Fourier Series Analysis of
a Rectangular Velocity Pulse on a String 240 11.5 Three-Phase Full Wave
Rectification 243 11.6 The Spectrum of a Fourier Series 244 12 Waves in
Optics (1) Interference 249 12.1 Light. Waves or Rays? 249 12.2 Fermat's
Principle 250 12.3 The Laws of Reflection 251 12.4 The Law of Refraction
253 12.5 Interference and Diffraction 254 12.6 Interference 254 12.7
Division of Amplitude 254 12.8 Newton's Rings 257 12.9 Michelson's Spectral
Interferometer 259 12.10 The Structure of Spectral Lines 261 12.11
Fabry-Pérot Interferometer 262 12.12 Resolving Power of the Fabry-Pérot
Interferometer 264 12.12.1 Resolving Power 266 12.12.2 Finesse 266 12.12.3
Free Spectral Range 267 12.12.4 The Laser Cavity 268 12.12.5 Total Internal
Reflection 270 12.12.6 The Thin Film Optical Wave Guide 270 12.13 Division
of Wavefront 272 12.13.1 Interference between Waves from Two Slits or
Sources 272 12.14 Interference from Two Equal Sources of Separation f 274
12.14.1 Separation f lambda. Young's Slit Experiment 274 12.14.2 Separation
f lambda (kf 1 where k = 2pi/lambda) 279 12.14.3 Dipole Radiation (f
lambda) 279 12.15 Interference from Linear Array of N Equal Sources 280 13
Waves in Optics (2) Diffraction 287 13.1 Diffraction 287 13.1.1 Fraunhofer
Diffraction 287 13.2 Scale of the Intensity Distribution 290 13.3 Intensity
Distribution for Interference with Diffraction from N Identical Slits 290
13.4 Fraunhofer Diffraction for Two Equal Slits (N = 2) 292 13.5
Transmission Diffraction Grating (N Large) 293 13.6 Resolving Power of
Diffraction Grating 294 13.7 Resolving Power in Terms of the Bandwidth
Theorem 296 13.8 Fraunhofer Diffraction from a Rectangular Aperture 297
13.9 Fraunhofer Diffraction from a Circular Aperture 299 13.10 The Airy
Disc and Resolving Power 301 13.11 The Michelson Stellar Interferometer 301
13.12 Fresnel Diffraction 303 13.12.1 The Straight Edge and Slit 303
13.12.2 Circular Aperture (Fresnel Diffraction) 309 13.13 Zone Plate 311
13.14 Electron Diffraction and Brillouin Zones 312 14 Non-linear
Oscillations 317 14.1 Free Vibrations of an Anharmonic Oscillator - Large
Amplitude Motion of a Simple Pendulum 317 14.2 Forced Oscillations -
Non-linear Restoring Force 318 14.3 Thermal Expansion of a Crystal 321 14.4
Non-linear Acoustic Waves and Shocks 323 14.5 Mach Number 327 Appendix 1
The Binomial Theorem 329 Appendix 2 Taylor's and the Exponential Series 331
Appendix 3 Superposition of a Large Number n of Simple Harmonic Vibrations
of Equal Amplitude a and Equal Successive Phase Difference delta 333
Appendix 4 Superposition of n Equal SHM Vectors of Length a with Random
Phase phi 337 Appendix 5 Electromagnetic Wave Equations: Vector Method 341
Appendix 6 Planck's Radiation Law 343 Appendix 7 Fraunhofer Diffraction
from a Rectangular Aperture 345 Appendix 8 Reflection and Transmission
Coefficients for aWave Meeting a Boundary 347 Index 349
xiii Table of Constants xiv Table of Energy Storing Processes xv 1 Simple
Harmonic Motion 1 1.1 Displacement in Simple Harmonic Motion 4 1.2 Velocity
and Acceleration in Simple Harmonic Motion 7 1.2.1 Non-linearity 8 1.3
Energy of a Simple Harmonic Oscillator 8 1.4 Simple Harmonic Oscillations
in an Electrical System 12 1.5 Superposition of Two Simple Harmonic
Vibrations in One Dimension 14 2 Damped Simple Harmonic Motion 21 2.1
Complex Numbers 22 2.2 The Exponential Series 22 2.2.1 The Exponential
Series and the Law of Compound Interest 23 2.2.2 Note on the Binomial
Theorem 25 2.2.3 Region 1. Heavy Damping (r2/4m2 > omega2 0) 28 2.2.4
Region 2. Critical Damping (r2/4m2 = omega2 0) 30 2.2.5 Region 3. Damped
Simple Harmonic Motion (r2/4m2 2.3 Methods of Describing the Damping of an
Oscillator 33 2.3.1 Logarithmic Decrement 33 2.3.2 Relaxation Time or
Modulus of Decay 35 2.3.3 The Quality Factor or Q-value of a Damped Simple
Harmonic Oscillator 35 2.3.4 Energy Dissipation 37 2.3.5 Damped SHM in an
Electrical Circuit 38 3 The Forced Oscillator 41 3.1 The Operation of i
upon a Vector 41 3.2 Vector Form of Ohm's Law 43 3.3 The Tuned LCR Circuit
45 3.4 Power Supplied to Oscillator by the Input Voltage 47 3.5 The Q-Value
in Terms of the Resonance Absorption Bandwidth 48 3.6 The Forced Mechanical
Oscillator 50 3.7 Behaviour of Velocity v in Magnitude and Phase versus
Driving Force Frequency omega 56 3.8 Behaviour of Displacement x versus
Driving Force Frequency omega 57 3.9 The Q-Value as an Amplification Factor
59 3.10 Significance of the Two Components of the Displacement Curve 60
3.11 Problem on Vibration Insulation 63 3.12 The Effect of the Transient
Term 65 4 Coupled Oscillations 69 4.1 Stiffness (or Capacitance) Coupled
Oscillators 69 4.2 Normal Modes of Vibration, Normal Coordinates and
Degrees of Freedom 72 4.3 Mass or Inductance Coupling 77 4.4 Coupled
Oscillations of a Loaded String 81 4.5 The Wave Equation 87 5 Transverse
Wave Motion (1) 95 5.1 Partial Differentiation 95 5.2 Waves 98 5.3
Velocities in Wave Motion 99 5.4 The Wave Equation 99 5.5 Solution of the
Wave Equation 101 5.6 Characteristic Impedance of a String (the String as a
Forced Oscillator) 105 5.7 Reflection and Transmission of Waves on a String
at a Boundary 108 5.8 Reflection and Transmission of Energy 112 5.9 The
Reflected and Transmitted Intensity Coefficients 113 5.10 Matching of
Impedances 113 5.11 Standing Waves on a String of Fixed Length 113 5.12
Standing Wave Ratio 116 5.13 Energy in Each Normal Mode of a Vibrating
String 116 6 Transverse Wave Motion (2) 121 6.1 Wave Groups, Group Velocity
and Dispersion 121 6.1.1 Superposition of Two Waves of Almost Equal
Frequencies 121 6.1.2 Wave Groups, Group Velocity and Dispersion 123 6.2
Wave Group of Many Components. The Bandwidth Theorem 125 6.3 Heisenberg's
Uncertainty Principle 128 6.4 Transverse Waves in Periodic Structures (1)
Waves in a Crystal 129 6.5 Linear Array of Two Kinds of Atoms in an Ionic
Crystal 132 6.6 Transverse Waves in Periodic Structures (2) The Diffusion
Equation, Energy Loss from Wave Systems 135 7 Longitudinal Waves 141 7.1
Sound Waves in Gases 141 7.2 Energy Distribution in Sound Waves 145 7.3
Intensity of Sound Waves 148 7.4 Longitudinal Waves in a Solid 149 7.5
Application to Earthquakes 151 7.6 Reflection and Transmission of Sound
Waves at Boundaries 152 7.7 Reflection and Transmission of Sound Intensity
154 7.8 Water Waves 154 7.9 Doppler Effect 156 8 Waves on Transmission
Lines 161 8.1 Ideal or Lossless Transmission Line 163 8.2 Coaxial Cables
164 8.3 Characteristic Impedance of a Transmission Line 165 8.4 Reflections
from the End of a Transmission Line 167 8.5 Short Circuited Transmission
Line (ZL =0) 167 8.6 The Transmission Line as a Filter 169 8.7 Effect of
Resistance in a Transmission Line 172 8.8 Characteristic Impedance of a
Transmission Line with Resistance 176 8.9 Matching Impedances 178 9
Electromagnetic Waves 183 9.1 Maxwell's Equations 183 9.2 Electromagnetic
Waves in a Medium having Finite Permeability mu and Permittivity but with
Conductivity sigma =0 186 9.3 The Wave Equation for Electromagnetic Waves
188 9.4 Illustration of Poynting Vector 189 9.5 Impedance of a Dielectric
to Electromagnetic Waves 191 9.6 Electromagnetic Waves in a Medium of
Properties mu, and sigma (where sigma = 0) 193 9.7 Skin Depth 196 9.8
Electromagnetic Wave Velocity in a Conductor and Anomalous Dispersion 197
9.9 When is a Medium a Conductor or a Dielectric? 198 9.10 Why will an
Electromagnetic Wave not Propagate into a Conductor? 199 9.11 Impedance of
a Conducting Medium to Electromagnetic Waves 200 9.12 Reflection and
Transmission of Electromagnetic Waves at a Boundary 203 9.12.1 Normal
Incidence 203 9.13 Reflection from a Conductor (Normal Incidence) 205 10
Waves in More Than One Dimension 209 10.1 Plane Wave Representation in Two
and Three Dimensions 209 10.2 Wave Equation in Two Dimensions 210 10.3 Wave
Guides 212 10.3.1 Reflection of a 2D Wave at Rigid Boundaries 212 10.4
Normal Modes and the Method of Separation of Variables 216 10.5
Two-Dimensional Case 217 10.6 Three-Dimensional Case 218 10.7 Normal Modes
in Two Dimensions on a Rectangular Membrane 219 10.8 Normal Modes in Three
Dimensions 221 10.9 3D Normal Frequency Modes and the de Broglie Wavelength
223 10.10 Frequency Distribution of Energy Radiated from a Hot Body.
Planck's Law 223 10.11 Debye Theory of Specific Heats 225 11 Fourier
Methods 229 11.1 Fourier Series 229 11.1.1 Worked Example of Fourier Series
233 11.1.2 Fourier Series for any Interval 233 11.2 Application of Fourier
Sine Series to a Triangular Function 236 11.3 Application to the Energy in
the Normal Modes of a Vibrating String 237 11.4 Fourier Series Analysis of
a Rectangular Velocity Pulse on a String 240 11.5 Three-Phase Full Wave
Rectification 243 11.6 The Spectrum of a Fourier Series 244 12 Waves in
Optics (1) Interference 249 12.1 Light. Waves or Rays? 249 12.2 Fermat's
Principle 250 12.3 The Laws of Reflection 251 12.4 The Law of Refraction
253 12.5 Interference and Diffraction 254 12.6 Interference 254 12.7
Division of Amplitude 254 12.8 Newton's Rings 257 12.9 Michelson's Spectral
Interferometer 259 12.10 The Structure of Spectral Lines 261 12.11
Fabry-Pérot Interferometer 262 12.12 Resolving Power of the Fabry-Pérot
Interferometer 264 12.12.1 Resolving Power 266 12.12.2 Finesse 266 12.12.3
Free Spectral Range 267 12.12.4 The Laser Cavity 268 12.12.5 Total Internal
Reflection 270 12.12.6 The Thin Film Optical Wave Guide 270 12.13 Division
of Wavefront 272 12.13.1 Interference between Waves from Two Slits or
Sources 272 12.14 Interference from Two Equal Sources of Separation f 274
12.14.1 Separation f lambda. Young's Slit Experiment 274 12.14.2 Separation
f lambda (kf 1 where k = 2pi/lambda) 279 12.14.3 Dipole Radiation (f
lambda) 279 12.15 Interference from Linear Array of N Equal Sources 280 13
Waves in Optics (2) Diffraction 287 13.1 Diffraction 287 13.1.1 Fraunhofer
Diffraction 287 13.2 Scale of the Intensity Distribution 290 13.3 Intensity
Distribution for Interference with Diffraction from N Identical Slits 290
13.4 Fraunhofer Diffraction for Two Equal Slits (N = 2) 292 13.5
Transmission Diffraction Grating (N Large) 293 13.6 Resolving Power of
Diffraction Grating 294 13.7 Resolving Power in Terms of the Bandwidth
Theorem 296 13.8 Fraunhofer Diffraction from a Rectangular Aperture 297
13.9 Fraunhofer Diffraction from a Circular Aperture 299 13.10 The Airy
Disc and Resolving Power 301 13.11 The Michelson Stellar Interferometer 301
13.12 Fresnel Diffraction 303 13.12.1 The Straight Edge and Slit 303
13.12.2 Circular Aperture (Fresnel Diffraction) 309 13.13 Zone Plate 311
13.14 Electron Diffraction and Brillouin Zones 312 14 Non-linear
Oscillations 317 14.1 Free Vibrations of an Anharmonic Oscillator - Large
Amplitude Motion of a Simple Pendulum 317 14.2 Forced Oscillations -
Non-linear Restoring Force 318 14.3 Thermal Expansion of a Crystal 321 14.4
Non-linear Acoustic Waves and Shocks 323 14.5 Mach Number 327 Appendix 1
The Binomial Theorem 329 Appendix 2 Taylor's and the Exponential Series 331
Appendix 3 Superposition of a Large Number n of Simple Harmonic Vibrations
of Equal Amplitude a and Equal Successive Phase Difference delta 333
Appendix 4 Superposition of n Equal SHM Vectors of Length a with Random
Phase phi 337 Appendix 5 Electromagnetic Wave Equations: Vector Method 341
Appendix 6 Planck's Radiation Law 343 Appendix 7 Fraunhofer Diffraction
from a Rectangular Aperture 345 Appendix 8 Reflection and Transmission
Coefficients for aWave Meeting a Boundary 347 Index 349
Acknowledgement x About the companion website xi Preface xii Introduction
xiii Table of Constants xiv Table of Energy Storing Processes xv 1 Simple
Harmonic Motion 1 1.1 Displacement in Simple Harmonic Motion 4 1.2 Velocity
and Acceleration in Simple Harmonic Motion 7 1.2.1 Non-linearity 8 1.3
Energy of a Simple Harmonic Oscillator 8 1.4 Simple Harmonic Oscillations
in an Electrical System 12 1.5 Superposition of Two Simple Harmonic
Vibrations in One Dimension 14 2 Damped Simple Harmonic Motion 21 2.1
Complex Numbers 22 2.2 The Exponential Series 22 2.2.1 The Exponential
Series and the Law of Compound Interest 23 2.2.2 Note on the Binomial
Theorem 25 2.2.3 Region 1. Heavy Damping (r2/4m2 > omega2 0) 28 2.2.4
Region 2. Critical Damping (r2/4m2 = omega2 0) 30 2.2.5 Region 3. Damped
Simple Harmonic Motion (r2/4m2 2.3 Methods of Describing the Damping of an
Oscillator 33 2.3.1 Logarithmic Decrement 33 2.3.2 Relaxation Time or
Modulus of Decay 35 2.3.3 The Quality Factor or Q-value of a Damped Simple
Harmonic Oscillator 35 2.3.4 Energy Dissipation 37 2.3.5 Damped SHM in an
Electrical Circuit 38 3 The Forced Oscillator 41 3.1 The Operation of i
upon a Vector 41 3.2 Vector Form of Ohm's Law 43 3.3 The Tuned LCR Circuit
45 3.4 Power Supplied to Oscillator by the Input Voltage 47 3.5 The Q-Value
in Terms of the Resonance Absorption Bandwidth 48 3.6 The Forced Mechanical
Oscillator 50 3.7 Behaviour of Velocity v in Magnitude and Phase versus
Driving Force Frequency omega 56 3.8 Behaviour of Displacement x versus
Driving Force Frequency omega 57 3.9 The Q-Value as an Amplification Factor
59 3.10 Significance of the Two Components of the Displacement Curve 60
3.11 Problem on Vibration Insulation 63 3.12 The Effect of the Transient
Term 65 4 Coupled Oscillations 69 4.1 Stiffness (or Capacitance) Coupled
Oscillators 69 4.2 Normal Modes of Vibration, Normal Coordinates and
Degrees of Freedom 72 4.3 Mass or Inductance Coupling 77 4.4 Coupled
Oscillations of a Loaded String 81 4.5 The Wave Equation 87 5 Transverse
Wave Motion (1) 95 5.1 Partial Differentiation 95 5.2 Waves 98 5.3
Velocities in Wave Motion 99 5.4 The Wave Equation 99 5.5 Solution of the
Wave Equation 101 5.6 Characteristic Impedance of a String (the String as a
Forced Oscillator) 105 5.7 Reflection and Transmission of Waves on a String
at a Boundary 108 5.8 Reflection and Transmission of Energy 112 5.9 The
Reflected and Transmitted Intensity Coefficients 113 5.10 Matching of
Impedances 113 5.11 Standing Waves on a String of Fixed Length 113 5.12
Standing Wave Ratio 116 5.13 Energy in Each Normal Mode of a Vibrating
String 116 6 Transverse Wave Motion (2) 121 6.1 Wave Groups, Group Velocity
and Dispersion 121 6.1.1 Superposition of Two Waves of Almost Equal
Frequencies 121 6.1.2 Wave Groups, Group Velocity and Dispersion 123 6.2
Wave Group of Many Components. The Bandwidth Theorem 125 6.3 Heisenberg's
Uncertainty Principle 128 6.4 Transverse Waves in Periodic Structures (1)
Waves in a Crystal 129 6.5 Linear Array of Two Kinds of Atoms in an Ionic
Crystal 132 6.6 Transverse Waves in Periodic Structures (2) The Diffusion
Equation, Energy Loss from Wave Systems 135 7 Longitudinal Waves 141 7.1
Sound Waves in Gases 141 7.2 Energy Distribution in Sound Waves 145 7.3
Intensity of Sound Waves 148 7.4 Longitudinal Waves in a Solid 149 7.5
Application to Earthquakes 151 7.6 Reflection and Transmission of Sound
Waves at Boundaries 152 7.7 Reflection and Transmission of Sound Intensity
154 7.8 Water Waves 154 7.9 Doppler Effect 156 8 Waves on Transmission
Lines 161 8.1 Ideal or Lossless Transmission Line 163 8.2 Coaxial Cables
164 8.3 Characteristic Impedance of a Transmission Line 165 8.4 Reflections
from the End of a Transmission Line 167 8.5 Short Circuited Transmission
Line (ZL =0) 167 8.6 The Transmission Line as a Filter 169 8.7 Effect of
Resistance in a Transmission Line 172 8.8 Characteristic Impedance of a
Transmission Line with Resistance 176 8.9 Matching Impedances 178 9
Electromagnetic Waves 183 9.1 Maxwell's Equations 183 9.2 Electromagnetic
Waves in a Medium having Finite Permeability mu and Permittivity but with
Conductivity sigma =0 186 9.3 The Wave Equation for Electromagnetic Waves
188 9.4 Illustration of Poynting Vector 189 9.5 Impedance of a Dielectric
to Electromagnetic Waves 191 9.6 Electromagnetic Waves in a Medium of
Properties mu, and sigma (where sigma = 0) 193 9.7 Skin Depth 196 9.8
Electromagnetic Wave Velocity in a Conductor and Anomalous Dispersion 197
9.9 When is a Medium a Conductor or a Dielectric? 198 9.10 Why will an
Electromagnetic Wave not Propagate into a Conductor? 199 9.11 Impedance of
a Conducting Medium to Electromagnetic Waves 200 9.12 Reflection and
Transmission of Electromagnetic Waves at a Boundary 203 9.12.1 Normal
Incidence 203 9.13 Reflection from a Conductor (Normal Incidence) 205 10
Waves in More Than One Dimension 209 10.1 Plane Wave Representation in Two
and Three Dimensions 209 10.2 Wave Equation in Two Dimensions 210 10.3 Wave
Guides 212 10.3.1 Reflection of a 2D Wave at Rigid Boundaries 212 10.4
Normal Modes and the Method of Separation of Variables 216 10.5
Two-Dimensional Case 217 10.6 Three-Dimensional Case 218 10.7 Normal Modes
in Two Dimensions on a Rectangular Membrane 219 10.8 Normal Modes in Three
Dimensions 221 10.9 3D Normal Frequency Modes and the de Broglie Wavelength
223 10.10 Frequency Distribution of Energy Radiated from a Hot Body.
Planck's Law 223 10.11 Debye Theory of Specific Heats 225 11 Fourier
Methods 229 11.1 Fourier Series 229 11.1.1 Worked Example of Fourier Series
233 11.1.2 Fourier Series for any Interval 233 11.2 Application of Fourier
Sine Series to a Triangular Function 236 11.3 Application to the Energy in
the Normal Modes of a Vibrating String 237 11.4 Fourier Series Analysis of
a Rectangular Velocity Pulse on a String 240 11.5 Three-Phase Full Wave
Rectification 243 11.6 The Spectrum of a Fourier Series 244 12 Waves in
Optics (1) Interference 249 12.1 Light. Waves or Rays? 249 12.2 Fermat's
Principle 250 12.3 The Laws of Reflection 251 12.4 The Law of Refraction
253 12.5 Interference and Diffraction 254 12.6 Interference 254 12.7
Division of Amplitude 254 12.8 Newton's Rings 257 12.9 Michelson's Spectral
Interferometer 259 12.10 The Structure of Spectral Lines 261 12.11
Fabry-Pérot Interferometer 262 12.12 Resolving Power of the Fabry-Pérot
Interferometer 264 12.12.1 Resolving Power 266 12.12.2 Finesse 266 12.12.3
Free Spectral Range 267 12.12.4 The Laser Cavity 268 12.12.5 Total Internal
Reflection 270 12.12.6 The Thin Film Optical Wave Guide 270 12.13 Division
of Wavefront 272 12.13.1 Interference between Waves from Two Slits or
Sources 272 12.14 Interference from Two Equal Sources of Separation f 274
12.14.1 Separation f lambda. Young's Slit Experiment 274 12.14.2 Separation
f lambda (kf 1 where k = 2pi/lambda) 279 12.14.3 Dipole Radiation (f
lambda) 279 12.15 Interference from Linear Array of N Equal Sources 280 13
Waves in Optics (2) Diffraction 287 13.1 Diffraction 287 13.1.1 Fraunhofer
Diffraction 287 13.2 Scale of the Intensity Distribution 290 13.3 Intensity
Distribution for Interference with Diffraction from N Identical Slits 290
13.4 Fraunhofer Diffraction for Two Equal Slits (N = 2) 292 13.5
Transmission Diffraction Grating (N Large) 293 13.6 Resolving Power of
Diffraction Grating 294 13.7 Resolving Power in Terms of the Bandwidth
Theorem 296 13.8 Fraunhofer Diffraction from a Rectangular Aperture 297
13.9 Fraunhofer Diffraction from a Circular Aperture 299 13.10 The Airy
Disc and Resolving Power 301 13.11 The Michelson Stellar Interferometer 301
13.12 Fresnel Diffraction 303 13.12.1 The Straight Edge and Slit 303
13.12.2 Circular Aperture (Fresnel Diffraction) 309 13.13 Zone Plate 311
13.14 Electron Diffraction and Brillouin Zones 312 14 Non-linear
Oscillations 317 14.1 Free Vibrations of an Anharmonic Oscillator - Large
Amplitude Motion of a Simple Pendulum 317 14.2 Forced Oscillations -
Non-linear Restoring Force 318 14.3 Thermal Expansion of a Crystal 321 14.4
Non-linear Acoustic Waves and Shocks 323 14.5 Mach Number 327 Appendix 1
The Binomial Theorem 329 Appendix 2 Taylor's and the Exponential Series 331
Appendix 3 Superposition of a Large Number n of Simple Harmonic Vibrations
of Equal Amplitude a and Equal Successive Phase Difference delta 333
Appendix 4 Superposition of n Equal SHM Vectors of Length a with Random
Phase phi 337 Appendix 5 Electromagnetic Wave Equations: Vector Method 341
Appendix 6 Planck's Radiation Law 343 Appendix 7 Fraunhofer Diffraction
from a Rectangular Aperture 345 Appendix 8 Reflection and Transmission
Coefficients for aWave Meeting a Boundary 347 Index 349
xiii Table of Constants xiv Table of Energy Storing Processes xv 1 Simple
Harmonic Motion 1 1.1 Displacement in Simple Harmonic Motion 4 1.2 Velocity
and Acceleration in Simple Harmonic Motion 7 1.2.1 Non-linearity 8 1.3
Energy of a Simple Harmonic Oscillator 8 1.4 Simple Harmonic Oscillations
in an Electrical System 12 1.5 Superposition of Two Simple Harmonic
Vibrations in One Dimension 14 2 Damped Simple Harmonic Motion 21 2.1
Complex Numbers 22 2.2 The Exponential Series 22 2.2.1 The Exponential
Series and the Law of Compound Interest 23 2.2.2 Note on the Binomial
Theorem 25 2.2.3 Region 1. Heavy Damping (r2/4m2 > omega2 0) 28 2.2.4
Region 2. Critical Damping (r2/4m2 = omega2 0) 30 2.2.5 Region 3. Damped
Simple Harmonic Motion (r2/4m2 2.3 Methods of Describing the Damping of an
Oscillator 33 2.3.1 Logarithmic Decrement 33 2.3.2 Relaxation Time or
Modulus of Decay 35 2.3.3 The Quality Factor or Q-value of a Damped Simple
Harmonic Oscillator 35 2.3.4 Energy Dissipation 37 2.3.5 Damped SHM in an
Electrical Circuit 38 3 The Forced Oscillator 41 3.1 The Operation of i
upon a Vector 41 3.2 Vector Form of Ohm's Law 43 3.3 The Tuned LCR Circuit
45 3.4 Power Supplied to Oscillator by the Input Voltage 47 3.5 The Q-Value
in Terms of the Resonance Absorption Bandwidth 48 3.6 The Forced Mechanical
Oscillator 50 3.7 Behaviour of Velocity v in Magnitude and Phase versus
Driving Force Frequency omega 56 3.8 Behaviour of Displacement x versus
Driving Force Frequency omega 57 3.9 The Q-Value as an Amplification Factor
59 3.10 Significance of the Two Components of the Displacement Curve 60
3.11 Problem on Vibration Insulation 63 3.12 The Effect of the Transient
Term 65 4 Coupled Oscillations 69 4.1 Stiffness (or Capacitance) Coupled
Oscillators 69 4.2 Normal Modes of Vibration, Normal Coordinates and
Degrees of Freedom 72 4.3 Mass or Inductance Coupling 77 4.4 Coupled
Oscillations of a Loaded String 81 4.5 The Wave Equation 87 5 Transverse
Wave Motion (1) 95 5.1 Partial Differentiation 95 5.2 Waves 98 5.3
Velocities in Wave Motion 99 5.4 The Wave Equation 99 5.5 Solution of the
Wave Equation 101 5.6 Characteristic Impedance of a String (the String as a
Forced Oscillator) 105 5.7 Reflection and Transmission of Waves on a String
at a Boundary 108 5.8 Reflection and Transmission of Energy 112 5.9 The
Reflected and Transmitted Intensity Coefficients 113 5.10 Matching of
Impedances 113 5.11 Standing Waves on a String of Fixed Length 113 5.12
Standing Wave Ratio 116 5.13 Energy in Each Normal Mode of a Vibrating
String 116 6 Transverse Wave Motion (2) 121 6.1 Wave Groups, Group Velocity
and Dispersion 121 6.1.1 Superposition of Two Waves of Almost Equal
Frequencies 121 6.1.2 Wave Groups, Group Velocity and Dispersion 123 6.2
Wave Group of Many Components. The Bandwidth Theorem 125 6.3 Heisenberg's
Uncertainty Principle 128 6.4 Transverse Waves in Periodic Structures (1)
Waves in a Crystal 129 6.5 Linear Array of Two Kinds of Atoms in an Ionic
Crystal 132 6.6 Transverse Waves in Periodic Structures (2) The Diffusion
Equation, Energy Loss from Wave Systems 135 7 Longitudinal Waves 141 7.1
Sound Waves in Gases 141 7.2 Energy Distribution in Sound Waves 145 7.3
Intensity of Sound Waves 148 7.4 Longitudinal Waves in a Solid 149 7.5
Application to Earthquakes 151 7.6 Reflection and Transmission of Sound
Waves at Boundaries 152 7.7 Reflection and Transmission of Sound Intensity
154 7.8 Water Waves 154 7.9 Doppler Effect 156 8 Waves on Transmission
Lines 161 8.1 Ideal or Lossless Transmission Line 163 8.2 Coaxial Cables
164 8.3 Characteristic Impedance of a Transmission Line 165 8.4 Reflections
from the End of a Transmission Line 167 8.5 Short Circuited Transmission
Line (ZL =0) 167 8.6 The Transmission Line as a Filter 169 8.7 Effect of
Resistance in a Transmission Line 172 8.8 Characteristic Impedance of a
Transmission Line with Resistance 176 8.9 Matching Impedances 178 9
Electromagnetic Waves 183 9.1 Maxwell's Equations 183 9.2 Electromagnetic
Waves in a Medium having Finite Permeability mu and Permittivity but with
Conductivity sigma =0 186 9.3 The Wave Equation for Electromagnetic Waves
188 9.4 Illustration of Poynting Vector 189 9.5 Impedance of a Dielectric
to Electromagnetic Waves 191 9.6 Electromagnetic Waves in a Medium of
Properties mu, and sigma (where sigma = 0) 193 9.7 Skin Depth 196 9.8
Electromagnetic Wave Velocity in a Conductor and Anomalous Dispersion 197
9.9 When is a Medium a Conductor or a Dielectric? 198 9.10 Why will an
Electromagnetic Wave not Propagate into a Conductor? 199 9.11 Impedance of
a Conducting Medium to Electromagnetic Waves 200 9.12 Reflection and
Transmission of Electromagnetic Waves at a Boundary 203 9.12.1 Normal
Incidence 203 9.13 Reflection from a Conductor (Normal Incidence) 205 10
Waves in More Than One Dimension 209 10.1 Plane Wave Representation in Two
and Three Dimensions 209 10.2 Wave Equation in Two Dimensions 210 10.3 Wave
Guides 212 10.3.1 Reflection of a 2D Wave at Rigid Boundaries 212 10.4
Normal Modes and the Method of Separation of Variables 216 10.5
Two-Dimensional Case 217 10.6 Three-Dimensional Case 218 10.7 Normal Modes
in Two Dimensions on a Rectangular Membrane 219 10.8 Normal Modes in Three
Dimensions 221 10.9 3D Normal Frequency Modes and the de Broglie Wavelength
223 10.10 Frequency Distribution of Energy Radiated from a Hot Body.
Planck's Law 223 10.11 Debye Theory of Specific Heats 225 11 Fourier
Methods 229 11.1 Fourier Series 229 11.1.1 Worked Example of Fourier Series
233 11.1.2 Fourier Series for any Interval 233 11.2 Application of Fourier
Sine Series to a Triangular Function 236 11.3 Application to the Energy in
the Normal Modes of a Vibrating String 237 11.4 Fourier Series Analysis of
a Rectangular Velocity Pulse on a String 240 11.5 Three-Phase Full Wave
Rectification 243 11.6 The Spectrum of a Fourier Series 244 12 Waves in
Optics (1) Interference 249 12.1 Light. Waves or Rays? 249 12.2 Fermat's
Principle 250 12.3 The Laws of Reflection 251 12.4 The Law of Refraction
253 12.5 Interference and Diffraction 254 12.6 Interference 254 12.7
Division of Amplitude 254 12.8 Newton's Rings 257 12.9 Michelson's Spectral
Interferometer 259 12.10 The Structure of Spectral Lines 261 12.11
Fabry-Pérot Interferometer 262 12.12 Resolving Power of the Fabry-Pérot
Interferometer 264 12.12.1 Resolving Power 266 12.12.2 Finesse 266 12.12.3
Free Spectral Range 267 12.12.4 The Laser Cavity 268 12.12.5 Total Internal
Reflection 270 12.12.6 The Thin Film Optical Wave Guide 270 12.13 Division
of Wavefront 272 12.13.1 Interference between Waves from Two Slits or
Sources 272 12.14 Interference from Two Equal Sources of Separation f 274
12.14.1 Separation f lambda. Young's Slit Experiment 274 12.14.2 Separation
f lambda (kf 1 where k = 2pi/lambda) 279 12.14.3 Dipole Radiation (f
lambda) 279 12.15 Interference from Linear Array of N Equal Sources 280 13
Waves in Optics (2) Diffraction 287 13.1 Diffraction 287 13.1.1 Fraunhofer
Diffraction 287 13.2 Scale of the Intensity Distribution 290 13.3 Intensity
Distribution for Interference with Diffraction from N Identical Slits 290
13.4 Fraunhofer Diffraction for Two Equal Slits (N = 2) 292 13.5
Transmission Diffraction Grating (N Large) 293 13.6 Resolving Power of
Diffraction Grating 294 13.7 Resolving Power in Terms of the Bandwidth
Theorem 296 13.8 Fraunhofer Diffraction from a Rectangular Aperture 297
13.9 Fraunhofer Diffraction from a Circular Aperture 299 13.10 The Airy
Disc and Resolving Power 301 13.11 The Michelson Stellar Interferometer 301
13.12 Fresnel Diffraction 303 13.12.1 The Straight Edge and Slit 303
13.12.2 Circular Aperture (Fresnel Diffraction) 309 13.13 Zone Plate 311
13.14 Electron Diffraction and Brillouin Zones 312 14 Non-linear
Oscillations 317 14.1 Free Vibrations of an Anharmonic Oscillator - Large
Amplitude Motion of a Simple Pendulum 317 14.2 Forced Oscillations -
Non-linear Restoring Force 318 14.3 Thermal Expansion of a Crystal 321 14.4
Non-linear Acoustic Waves and Shocks 323 14.5 Mach Number 327 Appendix 1
The Binomial Theorem 329 Appendix 2 Taylor's and the Exponential Series 331
Appendix 3 Superposition of a Large Number n of Simple Harmonic Vibrations
of Equal Amplitude a and Equal Successive Phase Difference delta 333
Appendix 4 Superposition of n Equal SHM Vectors of Length a with Random
Phase phi 337 Appendix 5 Electromagnetic Wave Equations: Vector Method 341
Appendix 6 Planck's Radiation Law 343 Appendix 7 Fraunhofer Diffraction
from a Rectangular Aperture 345 Appendix 8 Reflection and Transmission
Coefficients for aWave Meeting a Boundary 347 Index 349