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Insertion Loss vs Return loss

4/27/2015

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Insertion loss and return loss are an indication of  important values to evaluate the quality of  fiber optic patch cords, pigtails or connectors termination.
What is Insertion Loss ?
Picture
In telecommunications, insertion loss is the loss of signal power resulting from the insertion of a device in a transmission line  or in other words Insertion loss refers to the fiber optic light loss caused when a fiber optic component insert into one another  to form the fiber optic link. 
Absorption, misalignment or air gap between the fiber optic components are the main cause contribution to Insertion Loss.

What is Return Loss ?
Picture
In telecommunications, return loss is the loss of power in the signal reflected by a discontinuity in fiber optics (connectors) or in other words  Return loss is the fiber optic light gets reflected back at the connection point. 
Picture
What Does High Return Loss Indicate?
  • Dirty Connector
  • Broken Optical Fiber
  • Poorly Mated Connector
  • Creates Multipath Interference and Degrades Signal

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    Author

    I have been in the field of fiber optics since early 1990s.  I gained fiber optics skills and knowledge via my working experience as end-user, main contractor and sub-contractor and finally as an optical fiber enterpreneur.
     

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  • HOME
  • ABOUT US
  • Training
    • 2-Hari Fiber Optik Praktikal (BM)
    • 4-Hari Fiber Optik Praktikal (BM)
    • 1-Hari OTDR Fiber Optik Praktikal (BM)
    • 1-Hari Fiber Optik Splicing (BM)
    • 2-Hari Fiber Optik Splicing (BM)
    • 1-Hari Testing, Commissioning, Troubleshooting Tier 1 & Tier 2
    • 7-Hari Pemasangan Fiber Optik (Melayu)
  • CA1C & CA2C
    • iNFO ASAS SIJIL CA
    • Salinan Sijil CA
    • Pembaharuan Sijil CA
    • Lokasi Ujian Fizikal CA
    • KESAHIHAN SIJIL CA
    • Kelas ONLINE CA1C & CA2C
    • Kelas Fizikal CA1C & CA2C
  • PRODUK
    • Test Gears & Tool Kits
    • Accessories >
      • Pigtails
      • Patchcords
      • ProtectionSleeves
  • ARTIKEL
    • Safety In Fiber Optics
    • Fiber Optics Case Studies
    • Fiber Optics Practices Around The World
    • Anggaraan / Bidaan
    • My Blogs >
      • Biz Blog (In Malay)
    • Training Benefits
    • Auditing Fiber Optics
    • Langkah Sulung Biz Fiber Optik