Optical Time Domain Reflectometer (OTDR) - Optiwave

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This topic has 1 reply, 2 voices, and was last updated 5 years, 4 months ago by Ahmad Atieh.

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- December 3, 2018 at 6:40 am #50007
  Maddy
  Participant
  Hello Everyone,
  
  I would like to design an OTDR (Optical Time Domain Reflectometer) system for fault finding and localization purpose in TWDM-PON system.Here, i have to measure ReyLeigh back scatter signal.
  
  I have found some similar design in Optisystem forum, But could not give any output at PIN/APD. Does anyone knows how to Overcome it?
  
  Thanks
  Maddy
  Attachments:
  OTDR.jpg
- December 3, 2018 at 12:06 pm #50019
  
  Ahmad Atieh
  Moderator
  
  Hello Maddy,
  OptiSystem will offer phi-OTDR component and interrogator in its coming 16.0 version early next year.
  Your design is missing delay element to allow backward calculation. Also, the measured backreflected Rayleigh signal is a parametric signal represents the average backreflected signal power.
  
  regards,
  Ahmad
  
  +1
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