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Figure 18-1 Fiber-optic communication system.

Figure 18-1 Fiber-optic communication system. Figure 18-2 Refraction of light. Figure 18-3 Critical angle. Figure 18-4 The electromagnetic wavelength spectrum. Figure 18-5 Single-fiber construction. Figure 18-6 (a) Development of numerical aperture; (b) acceptance cone.

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Figure 18-1 Fiber-optic communication system.

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  1. Figure 18-1 Fiber-optic communication system.

  2. Figure 18-2 Refraction of light.

  3. Figure 18-3 Critical angle.

  4. Figure 18-4 The electromagnetic wavelength spectrum.

  5. Figure 18-5 Single-fiber construction.

  6. Figure 18-6 (a) Development of numerical aperture; (b) acceptance cone.

  7. Figure 18-7 Modes of propagation for step-index fiber.

  8. Figure 18-8 Modes of propagation for graded-index fiber.

  9. Figure 18-9 Types of optical fiber.

  10. Figure 18-10 Typical attenuation of cabled fiber strand.

  11. Figure 18-11 Pulse broadening or dispersion in optical fibers.

  12. Figure 18-12 Spectral component propagation: single-mode, step index.

  13. Figure 18-13 Polarization mode dispersion in single-mode fiber.

  14. Figure 18-14 Semiconductor laser.

  15. Figure 18-15 Light output versus bias current for a laser diode.

  16. Figure 18-16 LED modulator.

  17. Figure 18-17 Spectral response of a p-i-n diode.

  18. Figure 18-18p-i-n diode.

  19. Figure 18-19 Avalanche photodiode.

  20. Figure 18-20 Sources of connection loss.

  21. Figure 18-20 (continued) Sources of connection loss.

  22. Figure 18-21 Fiber connectors.

  23. Figure 18-22 System design.

  24. Figure 18-23 A graphical view of the system design problem shown in Figure 18-22.

  25. Figure 18-24 An alternative view of the system design problem.

  26. Figure 18-25 An OTDR trace of an 850-nm fiber.

  27. Figure 18-25 (continued) An OTDR trace of an 850-nm fiber.

  28. Figure 18-26 An example of connecting a PC to an Ethernet hub or switch via fiber.

  29. Figure 18-27 Examples of point-to-point connections using fiber in local area networks.

  30. Figure 18-28 A fiber link showing emitter, detector, connectors, and fiber cable.

  31. Figure 18-29 Light probe.

  32. Figure 18-30 The Multisim circuit for the light-budget simulation.

  33. Figure 18-31 The settings for the voltage-controlled sine-wave generator that is being used to model an optical receiver with a minimum and maximum RSL.

  34. Figure 18-32 Figure for Problem 49.

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