What is the function of OPTICAL ATTENUATORS ? - Optiwave

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This topic has 4 replies, 3 voices, and was last updated 10 years, 2 months ago by Ravil.

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- March 19, 2015 at 4:21 am #18867
  
  Abdullah Baig
  Participant
  
  Dear Members
  1-I want to inquire what is the function of optical attenuates.
  
  2-Can optical Attenuates increases the BER?
- March 19, 2015 at 5:15 am #18870
  
  Abdallah Ismail
  Participant
  
  It is the opposite function of the amplifier,from his name it attenuate the signal power but it may be just a length of fiber.
  Yes ,It increase BER for two reasons,1-it produces noise.,2-It decreases power and hence decrease OSNR which increase BER.
- March 19, 2015 at 6:15 am #18872
  
  Abdullah Baig
  Participant
  
  Sir Abdallah Ismail Thanx for Reply
  
  1_ Where can i use optical attenuator.. Can it be used in transmitter side or receiver side??? or be used in both transmitter and receiver?
- March 19, 2015 at 6:51 am #18873
  
  Abdallah Ismail
  Participant
  
  according to your design.
- March 19, 2015 at 9:16 am #18880
  
  Ravil
  Participant
  
  Hi Abdullah,
  
  You can use your attenuator either at the transmitter or at the receiver. It will depend on your scheme and the main design purpose.
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