Connector losses Optical Fiber Cable
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OPTICAL FIBER COMMUNICATION Where Beauty of Light and Semiconductor Devices mixed together to transformed the History of Communication Technology .
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Transcript of Connector losses Optical Fiber Cable
OPTICAL FIBER COMMUNICATION
Where Beauty of Light and Semiconductor Devices mixed together to transformed the History of Communication
Technology .
10/7/2016 3
Sorry, I opened the lock without prior permission taken from the
original owner. Some images used in this presentation contents are
copied from Book’s Fiber Optics & Optoelectronics By R.P. Khare and
some websites without permission.
Only Original Owner has full rights reserved for copied images.
This PPT is only for fair academic use.Kalyan Acharjya
Connection Losses
• Extrinsic Losses
– Loss Due to Fresnel Reflections
– Fiber to Fiber Misalignment Losses
– Losses Due to other Factors
• Intrinsic Losses (Not Compatible)
– The Core Diameter
– NA (The Relative index Difference)
– The Refractive Index Profile
Loss General Expression
L (Due to factors) =-10Log (Base 10) η
Where η is Coupling Efficiency
Fresnel Reflections
Fiber to Fiber Misalignment Losses
Fiber to Fiber Misalignment Losses
Fiber to Fiber Misalignment Losses
Eta (Long)=[1-DEL X NA/4an]
Fiber to Fiber Misalignment Losses
Extrinsic Losses Due to other Factors
• Non Flatness of end Surfaces
• Dust
• Joint Losses
Intrinsic Losses
Intrinsic Losses
Intrinsic Losses• Core Diameter Mismatch
• NA Mismatch
Intrinsic Losses
• Mismatch Index Profile
Thank Youkalyan5.blogspot.in
Solve It!
• Two compatible multimode SI fiber are jointedwith lateral offset of 10% of the core radius.The RI of the core of each fiber 1.5. Calculatethe insertion loss at the joint when-
– There is small air gap.
– An index matching fluid is inserted between thefibers ends.
