Forewords to the First Edition |
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v | |
Forewords to the Second Edition |
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ix | |
Preface |
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xxi | |
Acknowledgements |
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xxxvii | |
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1 | (58) |
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1.1 Conventional Optical Fibres |
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2 | (11) |
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2 | (1) |
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3 | (3) |
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6 | (7) |
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13 | (5) |
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1.2.1 One dimension: Bragg mirrors |
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13 | (1) |
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1.2.2 Photonic crystals in two and three dimensions |
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14 | (2) |
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1.2.3 Guiding light in a fibre with photonic crystals |
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16 | (2) |
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1.3 High-index Core Photonic Crystal Fibres |
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18 | (17) |
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18 | (1) |
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19 | (3) |
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22 | (2) |
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1.3.4 Endlessly single-mode fibres |
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24 | (2) |
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26 | (3) |
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29 | (3) |
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32 | (1) |
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1.3.8 High-bandwidth multimode fibres |
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32 | (1) |
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33 | (2) |
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35 | (16) |
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36 | (1) |
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1.4.2 Two-dimensional bandgap guiding fibres |
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37 | (7) |
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1.4.3 Non-bandgap guiding fibres: inhibited coupling |
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44 | (3) |
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1.4.4 Application of bandgap and hollow-core fibres |
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47 | (1) |
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1.4.5 Applications (A hole is a hole until you fill it) |
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48 | (3) |
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1.5 A Few Words on Leaky Modes |
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51 | (8) |
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51 | (1) |
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1.5.2 Modes of a leaky structure |
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52 | (1) |
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1.5.3 Heuristic approach to physical properties of leaky modes |
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53 | (2) |
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1.5.4 Mathematical considerations |
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55 | (2) |
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1.5.5 Spectral considerations |
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57 | (2) |
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2 PCF Fabrication and Post-processing |
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59 | (28) |
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59 | (1) |
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2.2 Optical Fibre Materials |
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59 | (2) |
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61 | (15) |
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62 | (5) |
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67 | (2) |
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2.3.3 Extrusion and casting |
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69 | (4) |
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73 | (3) |
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2.4 Post-processing of PCF |
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76 | (7) |
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76 | (3) |
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2.4.2 Differential hole inflation in PCFs |
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79 | (4) |
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83 | (4) |
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3 Electromagnetism --- Prerequisites |
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87 | (72) |
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87 | (7) |
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3.1.1 Maxwell's equations in vacuo |
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87 | (2) |
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3.1.2 Maxwell's equations in idealised matter |
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89 | (5) |
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3.2 The Monodimensional Case: Propagation Modes and Dispersion Curves |
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94 | (22) |
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94 | (6) |
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3.2.2 Localisation of constants of propagation |
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100 | (1) |
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3.2.3 How can one practically find the dispersion curves and the modes? |
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101 | (9) |
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110 | (6) |
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3.3 The Monodimensional Case: Leaky Modes and Dispersion Curves |
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116 | (4) |
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3.3.1 Pole hunting: the tetrachotomy method |
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117 | (3) |
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3.4 A First Foray into the Realm of the Finite Element Method |
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120 | (1) |
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3.5 Leaky Modes of Perot-Fabry Structures |
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121 | (2) |
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3.6 The Two-dimensional Vectorial Case (General Case) |
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123 | (8) |
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123 | (1) |
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3.6.2 Three different kinds of modes: basic definitions |
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124 | (1) |
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3.6.3 Some useful relations between the transverse and axial components |
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125 | (2) |
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3.6.4 Equations of propagation involving only the axial components |
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127 | (2) |
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3.6.5 What are the special features of isotropic microstructured fibres? |
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129 | (2) |
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3.7 The Two-dimensional Scalar Case (Weak Guidance) |
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131 | (1) |
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3.8 Spectral Analysis for Guided Modes |
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132 | (8) |
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3.8.1 Preliminary remarks |
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132 | (1) |
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133 | (1) |
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134 | (1) |
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3.8.4 Continuous formulation |
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135 | (5) |
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3.9 Non-finiteness of Energy of Leaky Modes |
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140 | (2) |
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142 | (17) |
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3.10.1 The crystalline structure |
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142 | (1) |
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3.10.2 Waves in a homogeneous space |
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143 | (1) |
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3.10.3 Bloch modes of a photonic crystal |
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144 | (4) |
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3.10.4 Computation of the band structure |
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148 | (3) |
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3.10.5 A simple one-dimensional illustrative example: the Kronig-Penney model |
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151 | (8) |
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159 | (76) |
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4.1 Finite Elements: Basic Principles |
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159 | (19) |
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4.1.1 A one-dimensional naive introduction |
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160 | (3) |
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4.1.2 Multi-dimensional scalar elliptic problems |
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163 | (5) |
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168 | (2) |
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170 | (2) |
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4.1.5 Eigenvalue problems |
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172 | (6) |
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4.2 The Geometric Structure of Electromagnetism and its Discrete Analogue |
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178 | (14) |
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179 | (1) |
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4.2.2 Physical quantities |
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180 | (1) |
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4.2.3 Topological operators |
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181 | (3) |
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184 | (4) |
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4.2.5 Differential complexes: from de Rham to Whitney |
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188 | (4) |
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4.3 Some Practical Questions |
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192 | (11) |
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4.3.1 Building the matrices (discrete Hodge operator and material properties) |
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192 | (2) |
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194 | (2) |
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4.3.3 Change of coordinates |
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196 | (2) |
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4.3.4 Nedelec edge elements versus Whitney 1-forms |
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198 | (2) |
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4.3.5 Infinite domains and leaky modes |
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200 | (3) |
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4.4 Propagation Mode Problems in Dielectric Waveguides |
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203 | (11) |
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4.4.1 Weak and discrete electric field formulation |
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204 | (5) |
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4.4.2 Numerical comparisons |
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209 | (2) |
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211 | (3) |
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214 | (8) |
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214 | (2) |
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4.5.2 The Bloch conditions |
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216 | (3) |
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4.5.3 A numerical example |
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219 | (2) |
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4.5.4 Direct determination of the periodic part |
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221 | (1) |
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4.6 Perfectly Matched Layers (PMLs) and the Computation of Leaky Modes |
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222 | (10) |
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4.6.1 Finite element method and PMLs |
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223 | (5) |
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228 | (4) |
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232 | (3) |
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235 | (44) |
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235 | (1) |
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5.2 The Multipole Formulation |
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236 | (13) |
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5.2.1 The geometry of the modelled microstructured optical fibre |
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236 | (2) |
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5.2.2 The choice of the propagating electromagnetic fields |
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238 | (1) |
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5.2.3 A simplified approach for the multipole method |
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238 | (5) |
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5.2.4 Rigorous formulation of the field identities |
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243 | (4) |
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5.2.5 Boundary conditions and field coupling |
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247 | (1) |
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5.2.6 Derivation of the Rayleigh identity |
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248 | (1) |
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5.3 Symmetry Properties of MOF |
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249 | (5) |
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5.3.1 Symmetry properties of modes |
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249 | (5) |
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254 | (6) |
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255 | (1) |
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5.4.2 Dispersion characteristics |
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256 | (1) |
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5.4.3 Using the symmetries within the multipole method |
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257 | (1) |
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5.4.4 Another way to obtain Jm(β) |
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257 | (2) |
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5.4.5 Software and computational demands |
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259 | (1) |
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5.5 Validation of the Multipole Method |
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260 | (3) |
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5.5.1 Convergence and self-consistency |
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260 | (2) |
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5.5.2 Comparison with other methods |
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262 | (1) |
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5.6 First Numerical Examples |
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263 | (13) |
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5.6.1 A detailed C6υ example: the six-hole MOF |
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263 | (9) |
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5.6.2 A C2υ example: a birefringent MOF |
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272 | (1) |
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5.6.3 A C4υ example: a square MOF |
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272 | (4) |
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276 | (3) |
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279 | (26) |
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6.1 Genesis of Baron Strutt's Algorithm |
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279 | (1) |
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6.2 Common Features of the Multipole and Rayleigh Methods |
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280 | (3) |
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6.3 Specificity of Lord Rayleigh's Algorithm |
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283 | (1) |
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6.4 Green's Function Associated with a Periodic Lattice |
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283 | (2) |
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6.5 Some Absolutely Convergent Lattice Sums |
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285 | (2) |
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6.6 The Rayleigh Identities |
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287 | (2) |
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289 | (1) |
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6.8 Normalisation of the Rayleigh System |
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290 | (2) |
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6.9 Convergence of the Multipole Method |
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292 | (1) |
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6.10 Limit Cases: Asymptotics for High-contrast, βΛ << 1 and rc << A (Long-wave Limit and Dilute Composite) |
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293 | (7) |
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6.10.1 Effective boundary conditions for total internal reflection or high-contrast (ARROW) fibres |
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293 | (2) |
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6.10.2 Estimate of the cut-off curve |
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295 | (3) |
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6.10.3 Dipole approximation and effective parameters |
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298 | (2) |
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6.11 Higher-order Approximations, Photonic Bandgaps for Out-of-plane Propagation |
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300 | (2) |
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6.12 Conclusion and Perspectives |
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302 | (3) |
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7 A la Cauchy Path for Pole Finding |
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305 | (22) |
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7.1 A Simple Extension: Poles of Matrices |
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308 | (9) |
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7.1.1 Degenerate eigenvalues |
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312 | (1) |
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7.1.2 Multiple poles inside the loop |
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313 | (1) |
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7.1.3 Miracles sometimes happen |
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314 | (3) |
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7.2 Cauchy Integrals for Operators |
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317 | (1) |
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7.3 Numerical Applications |
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318 | (8) |
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326 | (1) |
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8 Main Properties of Microstructured Optical Fibres |
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327 | (62) |
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8.1 Types of Microstructured Optical Fibres or Types of Modes? |
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327 | (1) |
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8.2 Main Linear Properties of Modes in High-index Microstructured Optical Fibres with Low-Index Inclusions |
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328 | (33) |
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8.2.1 Solid-core microstructured fibre with low-index inclusions and band diagram point of view |
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328 | (4) |
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8.2.2 Basic properties of the losses |
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332 | (4) |
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8.2.3 Single-modedness of high-index core Csv MOF |
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336 | (10) |
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8.2.4 Modal transition without cut-off of the fundamental mode |
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346 | (7) |
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8.2.5 Chromatic dispersion |
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353 | (8) |
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8.3 Two Examples of Hollow-core MOFs with Air-guided Modes |
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361 | (18) |
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8.3.1 A hollow-core MOF made of silica and the band diagram point of view |
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361 | (8) |
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8.3.2 An optimised hollow-core MOF made of high-index glass for the far infrared |
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369 | (10) |
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8.4 A Detailed Example of an ARROW MOF |
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379 | (8) |
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8.4.1 Guiding in ARROW microstructured optical fibres and interpretation |
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379 | (1) |
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8.4.2 The ARROW model and its application to MOFs |
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380 | (2) |
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8.4.3 ARROW MOFs and band diagrams |
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382 | (1) |
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8.4.4 ARROW MOFs and avoided crossings |
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383 | (4) |
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387 | (2) |
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389 | (16) |
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389 | (1) |
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9.2 Helicoidal Coordinates |
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390 | (5) |
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394 | (1) |
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9.3 Finite Element Modelling of Twisted Waveguides |
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395 | (3) |
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9.4 Quadratic Eigenvalue Problem |
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398 | (2) |
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400 | (4) |
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404 | (1) |
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405 | (2) |
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Appendix A From Change of Coordinates in Maxwell's Equations to Transformation Optics |
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407 | (12) |
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A.1 Change of Coordinates in Maxwell's Equations |
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407 | (6) |
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A.2 The Geometric Transformation --- Equivalent Material Properties Principle |
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413 | (2) |
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A.3 Useful Jacobian Matrices |
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415 | (2) |
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A.4 Transformation Optics |
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417 | (2) |
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Appendix B A Formal Framework for Mixed FEMs |
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419 | (4) |
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Appendix C Some Details of the Multipole Method Derivation |
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423 | (8) |
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C.1 Derivation of the Wijngaard Identity |
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423 | (2) |
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425 | (1) |
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C.2.1 Cylinder-to-cylinder conversion |
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425 | (1) |
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C.2.2 Jacket-to-cylinder conversion |
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425 | (1) |
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C.2.3 Cylinder-to-jacket conversion |
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426 | (1) |
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C.3 Boundary Conditions: Reflection Matrices |
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426 | (5) |
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Appendix D Integration by Parts |
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431 | (4) |
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Appendix E Six-hole Plain-core MOF Example: Supercells |
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435 | (6) |
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Appendix F A Potpourri of Mathematics |
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441 | (30) |
Bibliography |
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471 | (34) |
Index |
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505 | |