Page 8 - Fiber Optic Communications Fund
P. 8

Contents







           Preface                                                                             xv

           Acknowledgments                                                                    xvii

           1     Electromagnetics and Optics                                                    1
                 1.1   Introduction                                                             1
                 1.2   Coulomb’s Law and Electric Field Intensity                               1
                 1.3   Ampere’s Law and Magnetic Field Intensity                                3
                 1.4   Faraday’s Law                                                            6
                       1.4.1  Meaning of Curl                                                   7
                       1.4.2  Ampere’s Law in Differential Form                                 9
                 1.5   Maxwell’s Equations                                                      9
                       1.5.1  Maxwell’s Equation in a Source-Free Region                       10
                       1.5.2  Electromagnetic Wave                                             10
                       1.5.3  Free-Space Propagation                                           11
                       1.5.4  Propagation in a Dielectric Medium                               12
                 1.6   1-Dimensional Wave Equation                                             12
                       1.6.1  1-Dimensional Plane Wave                                         15
                       1.6.2  Complex Notation                                                 16
                 1.7   Power Flow and Poynting Vector                                          17
                 1.8   3-Dimensional Wave Equation                                             19
                 1.9   Reflection and Refraction                                               21
                       1.9.1  Refraction                                                       22
                 1.10  Phase Velocity and Group Velocity                                       26
                 1.11  Polarization of Light                                                   31
                 Exercises                                                                     31
                 Further Reading                                                               34
                 References                                                                    34

           2     Optical Fiber Transmission                                                    35
                 2.1   Introduction                                                            35
                 2.2   Fiber Structure                                                         35
                 2.3   Ray Propagation in Fibers                                               36
                       2.3.1  Numerical Aperture                                               37
   3   4   5   6   7   8   9   10   11   12   13