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C B KORE POLYTECHNIC CHIKODI
 Topic : FIBER OPTIC COMMUNICATION

        BY: SHARVANI MUSANDI
              VI sem EC
            VANDANA DESAI
              VI sem EC
BRIEF FLOW OF THE PRESENTATION


  1.   Introduction
  2.   Construction of optical fiber
  3.   Working principle
  4.   Fiber optic configuration
  5.   Working of optical fiber
  6.   Advantages of Optical fiber
  7.   Application of fiber optics
  8.   Reference
OPTICAL FIBER




CAUSES FOR THE CREATION OF THE OPTICAL FIBER-----
  Man’s HUNGER
 Lastly optical fiber’s were invented to satisfy the Man’s hunger
  for communication
CONSTRUCTION OF OPTICAL
              FIBER
   Core

   Cladding

   Buffer coating
TOTAL INTERNAL REFLECTION
   When light travelling in an optically
dense medium hits a boundary at an angle
larger than the "critical angle" for the
media, the light will be completely
reflected. This is called total internal
reflection.

    Fiber optic cables use total internal
reflection inside the optical fiber.
TOTAL INTERNAL REFLECTION
FIBRE OPTIC CONFIGURATION
SINGLE MODE AND MULTI MODE
        OPTICAL FIBER
STEP INDEX FIBER

   The refractive index of core is constant

   The refractive index of cladding is constant

   The refractive index of cladding is slightly
    lower than that of core
GRADED INDEX FIBER

   Refractive index of core decreases smoothly
    from the centre to the outer edge

   Refractive index of cladding is constant
Foc ppt
WORKING OF OPTICAL FIBER




                  Light Transmission
ADVANTAGES
   Much higher bandwidth

   Thousands of channels can be multiplexed together over one strand of fiber

   Less expensive

   Higher carrying capacity

   Less signal degradation

   Light signals

   Digital signals

   Safety

   Non-flammable

   Lightweight

   Flexible
ADVANTAGES
 The optical fiber has
following advantages over
twisted -pair and coaxial
cable.

• Resistance to noise
• Huge bandwidth

• Higher signal carrying
capacity
APPLICATIONS
•   Medical




•   Military




•   Electronics



                  IBM microprocessors
Foc ppt
Foc ppt

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Foc ppt

  • 1. C B KORE POLYTECHNIC CHIKODI Topic : FIBER OPTIC COMMUNICATION BY: SHARVANI MUSANDI VI sem EC VANDANA DESAI VI sem EC
  • 2. BRIEF FLOW OF THE PRESENTATION 1. Introduction 2. Construction of optical fiber 3. Working principle 4. Fiber optic configuration 5. Working of optical fiber 6. Advantages of Optical fiber 7. Application of fiber optics 8. Reference
  • 3. OPTICAL FIBER CAUSES FOR THE CREATION OF THE OPTICAL FIBER----- Man’s HUNGER  Lastly optical fiber’s were invented to satisfy the Man’s hunger for communication
  • 4. CONSTRUCTION OF OPTICAL FIBER  Core  Cladding  Buffer coating
  • 5. TOTAL INTERNAL REFLECTION When light travelling in an optically dense medium hits a boundary at an angle larger than the "critical angle" for the media, the light will be completely reflected. This is called total internal reflection. Fiber optic cables use total internal reflection inside the optical fiber.
  • 7. FIBRE OPTIC CONFIGURATION SINGLE MODE AND MULTI MODE OPTICAL FIBER
  • 8. STEP INDEX FIBER  The refractive index of core is constant  The refractive index of cladding is constant  The refractive index of cladding is slightly lower than that of core
  • 9. GRADED INDEX FIBER  Refractive index of core decreases smoothly from the centre to the outer edge  Refractive index of cladding is constant
  • 11. WORKING OF OPTICAL FIBER Light Transmission
  • 12. ADVANTAGES  Much higher bandwidth  Thousands of channels can be multiplexed together over one strand of fiber  Less expensive  Higher carrying capacity  Less signal degradation  Light signals  Digital signals  Safety  Non-flammable  Lightweight  Flexible
  • 13. ADVANTAGES The optical fiber has following advantages over twisted -pair and coaxial cable. • Resistance to noise • Huge bandwidth • Higher signal carrying capacity
  • 14. APPLICATIONS • Medical • Military • Electronics IBM microprocessors