Fiber Optic Cabling, Second Edition

Preface......Page 11
Abbreviations......Page 13
1 Fiber optic communications and the data cabling revolution......Page 17
Communications  cabling  and  its  role......Page 18
Fiber  optics  and  the  cabling  market......Page 19
Fiber  optic  cabling  as  an  operating  system......Page 23
The  economics  of  fiber  optic  cabling......Page 25
Basic  fiber  parameters......Page 27
Refractive  index......Page 28
Laws  of  reflection  and  refraction......Page 31
Optical  fiber  and  total  inter nal  reflection......Page 34
Optical  fiber  constr uction  and  definitions......Page 36
The  ideal  fiber......Page 37
Light  acceptance  and  numerical  aper ture......Page 38
Intrinsic  loss  mechanisms......Page 40
Modal  distribution  and  fiber  attenuation......Page 43
Extrinsic  loss  mechanisms......Page 44
Bandwidth......Page 47
Step  index  and  graded  index  fibers......Page 50
Modal  conversion  and  its  effect  upon  bandwidth......Page 52
Single  mode  transmission  in  optical  fiber......Page 55
Bandwidth  specifications  for  optical  fiber......Page 61
System design,  bandwidth  utilization  and  fiber geometries......Page 62
Optical fiber geometries......Page 63
The new family of single mode fiber......Page 64
Plastic  optical  fiber......Page 68
Manufacturing  techniques......Page 70
Stepped  index  fiber  preforms......Page 71
All-silica  fiber  preforms......Page 72
Fiber manufacture from preforms......Page 79
Clad silica fibers......Page 82
Plastic optical fiber......Page 83
Radiation hardness......Page 84
Primary coating processes......Page 86
4 Optical fiber – connection theory and basic techniques......Page 0
Connection techniques......Page 88
Insertion loss......Page 89
Basic parametric mismatch......Page 90
Fusion splice joints......Page 94
Mechanical alignment......Page 95
Return loss......Page 100
Alignment techniques within joints......Page 104
The joint and its specification......Page 106
Inser tion loss and component specifications......Page 107
The introduction of optical fiber within joint mechanisms......Page 111
Joint mechanisms: relative cladding diameter alignment......Page 114
Joint mechanisms: absolute cladding diameter alignment......Page 116
6 Connectors and joints, alternatives and applications......Page 120
Splice joints......Page 121
Demountable connectors......Page 126
Standards and optical connectors......Page 137
Termination: the attachment of a fiber optic connector to a cable......Page 140
Termination as an installation technique......Page 143
Basic cabling elements......Page 148
Cabling requirements and designs......Page 150
Fiber  optic  cable  design  definitions......Page 151
Inter-building  (external)  cables......Page 154
Intra-building  (internal)  cables......Page 157
Fiber  optic  cables  and  optomechanical  stresses......Page 159
The  economics  of  optical  fiber  cable  design......Page 163
Optical  fiber  installations:  definitions......Page 168
The  optical  fiber  highway......Page 170
Optical  fiber  highway  design......Page 172
9 Optical fiber highway design......Page 174
Nodal  design......Page 184
Ser vice  needs......Page 188
Optical  budget......Page 192
Bandwidth  requirements......Page 201
Fiber  geometry  choices  within  the  highway  design......Page 205
Fiber  optic  cable  and  cable  assemblies......Page 209
Connectors......Page 215
Splice  components......Page 216
Termination  enclosures......Page 217
T echnical  ground  r ules......Page 221
Operational  requirement......Page 222
Design  proposal......Page 227
Optical  specification......Page 230
Contractual  aspects  of  the  specification  agreement......Page 231
Fixed  cables......Page 235
Cable  assembly  acceptance  testing......Page 245
Termination enclosures......Page 255
Short-range systems and test philosophies......Page 256
13 Installation practice......Page 258
Transmission equipment and the overall contract requirement......Page 259
The typical installation......Page 260
Contract management......Page 261
Installation programme......Page 264
Termination practices......Page 269
General inspection......Page 272
Optical  performance testing......Page 275
Overall span attenuation measurement......Page 278
Optical time domain reflectometer testing of installed spans......Page 283
Contract  documentation......Page 290
Technical documentation......Page 291
Internationalstandards concerning project documentation......Page 299
Repair......Page 302
Maintenance......Page 305
Network requirements......Page 307
Initial  implementation  for  inter-building  cabling......Page 308
Materials  choice......Page 316
Bill  of  materials  (fiber  optic  content)......Page 320
Installation  planning......Page 325
Exotic  lasers......Page 326
New  optical  fibres......Page 327
Next  generation  components......Page 328
New  coding  techniques......Page 329
Appendix A Attenuation within optical fiber: its measurement......Page 330
Index......Page 333