Chromatic Dispersion Measurements (172)

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Chapter Outline

Chapter 9 - Chromatic Dispersion Measurements (Fiber Optic Systems)

  • Chromatic Dispersion (CD) in Optical Fiber
  • Dispersion Measurements
  • Plot of Speed of Light vs. Signal Speed
  • Chromatic Dispersion Definitions
  • Dispersion Compensating Fiber (DCF)
  • Chirped Fiber Bragg Gratings
  • Chromatic Measurement System
  • Relative Group Delay
  • CD System “Test” and “Preview” Modes
  • Typical Measurement Results for DS Fiber
  • Reference Wavelength
  • Impact of Modulation Frequency
  • Effect of Modulation Frequency on Wavelength Resolution
  • Effect of Reducing Modulation Frequency
  • Wavelength Resolution
  • Interference Filter – Thin Film Type
  • Dispersion Compensating Fiber Bragg Grating
  • Chirped FBG Measured in Step and Preview Modes
  • Types of Dispersion in Optical Fiber
  • Polarization Mode Dispersion (PMD)
  • PMD – Birefringence
  • PMD of Single-Mode Fibers
  • PMD Effects on Optical Digital Transmissions
  • PMD Tolerance vs. Bit Rate