The document discusses the application of fiber optics in train controlling and transportation systems, covering aspects such as train propulsion, communication systems, and power quality. It includes an introduction to fiber optic communication, detailing the components, types of cables, and the principles of light propagation in multimode and single mode fibers. The document emphasizes the advantages of fiber optics in providing reliable communication and accurate data transmission within train systems.

1. Presented BY:
Mohammad Zakriya

2.  Section II:
 Fiber optics in train controlling
/transportation system
 Train Propulsion system
 Train communication system
 Traction power and Grid power
Quality
 Conclusion
 Section I:-
 Introduction
 Block diagram of Fiber optic
communication system
 Fiber optic Link components
 Construction of fiber optic cable
 Types of cables
Single mode Fiber optics
Multi mode Fiber optics
 Connectors
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3. 3

4. 4

5.  Optical Transmitter
 Optical Fiber/Cable
 Connectors
 Optical Receiver
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6. Fiber optical cable:
• Core
• Cladding
• coating
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7. Total Internal Reflection:
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8. Fiber Optic Communications are Classified as 2 types:
 Multimode Fibers
 Single mode Fibers
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9. Multimode Fiber:
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10. Multimode Fiber Light Propagation:
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11. Single mode Fiber :
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12. Single mode Fiber Light propagation:
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13. Multimode and Single mode Diameter Ratios:
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14. Connectors:
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15. 15

16.  Diesel Train  Electric Train
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17. 17

18.  Multifunction Vehicle Bus (MVB) layout in Locomotive:
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19.  Multifunction Vehicle Bus (MVB) layout in a Coach:
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20.  Medical
 Defense/Government
 Telecommunications
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21.  Provides smartness to the train
communication
 Accurate information can be transmitted
without any loss of data
 Used as the transmission medium to
control the voltages of the train
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