Topics explained:

Introduction to Optical Fiber Definition and Construction of Optical Fiber Types of Fibers (based on number of modes and refractive index) Step Index Single mode Fiber Step Index Multi mode Fiber Graded Index Multi mode Fiber Differentiation between Step Index and Graded Index Fiber Acceptance Angle, Numerical Aperture, and V-Number Losses in Optical Fiber (Attenuation and Signal Losses) Absorption Loss Scattering Bending Loss Signal Dispersion Intermodal or Modal Dispersion Intramodal or Chromatic Dispersion Applications of Optical Fiber Advantages of Optical Fiber over Coaxial Cable (or Copper Wire) Optical Fiber Communication Block Diagram