Optical Fiber Cable
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  • 1. IIMT INSTITUTE OF ENGINEERING &TECHNOLOGYOPTICAL FIBERCABLEPresented by: MUNNA KUMARB.Tech(E.C.-’A’)3RDyr.Roll no.- 1037131040Submitted to:-Dr. P. K. Singh&Mr. Pushpendra
  • 2. OPTICAL FIBEROPTICAL FIBER
  • 3. OPTIC FIBERCABLE
  • 4. FibrePropagation of Light inside the
  • 5. ofcFibre Optic cable is guidedmedium in which information(voice, data or video) aretransmitted in the form lightfrom one place to other place.
  • 6. CLASIFICATIONCLASIFICATION1.STEP INDEX SINGLEMODE FIBER1.STEP INDEX SINGLEMODE FIBER2.STEP INDEX MULTYMODE FIBER2.STEP INDEX MULTYMODE FIBER3.GRADED INDEX FIBER3.GRADED INDEX FIBER
  • 7. CONSTRUCTIONCONSTRUCTION• CORE:DIAMETER=8MICROMETERCORE:DIAMETER=8MICROMETER• CLADDING:DIAMETER=125MICROMETERCLADDING:DIAMETER=125MICROMETER• BUFFER:250BUFFER:250• JACKET:400JACKET:400
  • 8. OFC ConstructionParameters of CablingTensile Strength ( Pull)Crushing ResistanceProtection from Excess BendingAbrasion ProtectionAnti-TwistChemical protection
  • 9. Single Mode FibreThe Core dia is 8 to 10 MicrometerA much smaller core DiameterCladding dia is 125 MicrometerVery large bandwidthLight can go for very longdistancesDWDM application (80 lamda)
  • 10. MULTYMODEMULTYMODEFIBERFIBERHas a large Core DiameterCore Diameter - 50, 62.5, 100 Micro meterCladding dia - 125 Micro meterLight waves are dispersed into number of pathsMultiple path of light cause signal distortionSuitable for shorter length like LAN
  • 11. GRADEDINDEX FIBERGRADEDINDEX FIBER
  • 12. COMPARISION Cu vs OFCCOMPARISION Cu vs OFC• CuCu1.FREQUENCY=MHz1.FREQUENCY=MHz2.WB=2Mbps(30VC)2.WB=2Mbps(30VC)3.INTRFRS=HIGH3.INTRFRS=HIGH4.WT=HIGH4.WT=HIGH5.DISTANCE=2-3Km5.DISTANCE=2-3Km• OFCOFC1.=GHz1.=GHz2.WB=25Mbps(34000+VC)2.WB=25Mbps(34000+VC)3.INT=LOW3.INT=LOW4.WT =LOW4.WT =LOW5.DIS=25Kma15.DIS=25Kma1
  • 13. OPTICAL FIBEROPTICAL FIBERPARAMETERPARAMETER>FREQUENCY (WAVE LENTH)>FREQUENCY (WAVE LENTH)>ATTENUATION>ATTENUATION>WINDOW>WINDOW
  • 14. TRANSMISSION CHALLENGESTRANSMISSION CHALLENGES..>ATTENUATION>ATTENUATION>NON LINEARITY>NON LINEARITY>DISPERSION>DISPERSION
  • 15. OFC SIZEOFC SIZE>6FIBER>6FIBER>12FIBER>12FIBER>24FIBER>24FIBER>48FIBER>48FIBER>96FIBEF>96FIBEFStandard drum length isStandard drum length is2000M+10% or 4000m2000M+10% or 4000m
  • 16. WINDOWSWINDOWS• Window is range of wave length whereWindow is range of wave length whereattenuation is minimumattenuation is minimum• 1).850nm---(800-850nm)1).850nm---(800-850nm)• 2).1300nm---(1250-1300nm)2).1300nm---(1250-1300nm)• 3).1550nm---(1500-1550nm)3).1550nm---(1500-1550nm)
  • 17. AttenuationAttenuation• Gradual losses in the intensity data informationGradual losses in the intensity data informationin ofc1win ofc1w• 1).INTRINSIC:due to internal factor1).INTRINSIC:due to internal factorAbsorption, scatteringAbsorption, scattering• 2).EXTRINSIC:due to bending of ofc2).EXTRINSIC:due to bending of ofc(a)(a) Macro bendingMacro bending(b)(b) Micro bendingMicro bending(c)(c) Numerical apparatureNumerical apparature
  • 18. OFC COM. SYS.OFC COM. SYS.
  • 19. SPLICINGSPLICING• Splicing is technique to joining of two opticalSplicing is technique to joining of two opticalfiber cable by the splicing machinefiber cable by the splicing machine• There are two techniquesThere are two techniques1).MECHANICAL1).MECHANICAL2).FUSION : Is done by heating2).FUSION : Is done by heating
  • 20. splicingsplicing
  • 21. OTDROTDR• Optical time domain reflectometer is a deviceOptical time domain reflectometer is a deviceuse to detect the distance at which ofc getuse to detect the distance at which ofc getcutcut• By this method OTDR is connected at oneBy this method OTDR is connected at oneend a laser beam is allow to flow in ofc it getend a laser beam is allow to flow in ofc it getbounce back from the cutting point due tobounce back from the cutting point due tochange in R.Ichange in R.IS=CTS=CTC=SPEED OF LIGHTC=SPEED OF LIGHTT=TOTAL TIME
  • 22. OTDROTDR
  • 23. Advantages of Optic Fibrelarge bandwidth Low Loss - 0.5db per km Less number of Repeaters Small size & Light Weight - Easyto handle Greater Safety - No ElectricHazards Higher Security Available long length Universal medium
  • 24. OFC ApplicationsTelecommunication /automation NetworkJunction Network & Long DistanceNetworkSubmarine cableHigh EMI areasExplosive environmentHigh lightening areaComputer links & Local Area NetworkCable televisionMedical Field , Automobile FieldMilitary application
  • 25. Telecommunications•Today’s Telecom isgrowing“Faster- Higher-Stronger”.•The contribution offibre towards thistrend is a major one.•All optical networkwill emerge.
  • 26. 1844 Telegraph 5 bits /sec1876 Telephone 2 kb/sec1956 Trans Atlantic 1152 kb/sec• OFC 45000 kb/secToday 2-3 Terra bit/sec• The Transport Capacity ofOFC advances by 100 timesevery 10 yearsImprovements in Fibre
  • 27. THANK YOU!