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Optical Fused Coupler

VSunlight' s Fused Biconic Tap Coupler is to bundle two or more fibers together,then melt and stretch on the tapering machine,and monitor the change of the spectral ratio in real time. After the spectral ratio meets the requirements,the end of the melting and stretch is finished,one end of which keeps a fiber (cut off the rest) as the input end,and the other end is used as the multiple output end. All versions are designed for use in an outdoor environment within a temperature range of -40°C to +85°C.
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Product description
Parameters

Features

·Low Excess Loss

·Low Insertion Loss

·Compact Size

·Various Coupling Ratio

·Telcordia GR-1209 And GR-1221 Qualified 

 

Application

·Optical Amplifier

·Fiber Optic Hydrophone

·Fiber Optic Gyroscope

 

 

Product Overview
VSunlight' s Fused Biconic Tap Coupler is to bundle two or more fibers together,then melt and stretch on the tapering machine,and monitor the change of the spectral ratio in real time. After the spectral ratio meets the requirements,the end of the melting and stretch is finished,one end of which keeps a fiber (cut off the rest) as the input end,and the other end is used as the multiple output end. All versions are designed for use in an outdoor environment within a temperature range of -40°C to +85°C.

 

Specifications

 

     Parameter Unit Values
     Environmental    
     Operating Temperature °C -40~ +85
     Storage Temperature °C -40 ~ +85
     Optical Interface
     Connector / Refer To The Ordering Information
     Optical
     Structure / 1*2 2*2
     Working Band nm 1310±40&1550±40
     Coupling Ratio / P Grade A Grade
     Isolation Loss @50:50 dB ≤3.4/3.4 ≤3.6/3.6
     Polarization Dependent Loss dB ≤0.15 ≤0.2
     Directivity dB ≥55
     Excess Loss dB 0.1
     Power Handling mW ≤500

 

 

Package Option

Optical Fused Coupler

Ordering Information

FBT Wavelength Structure Coupling Ratio Pigtail Type Package Type(mm) Fiber Length Connector Type
  1=1310/1490/1550 1=1*2 01=1:99 0=250um bare fiber 1=Φ1.9*L36mm 1=0.5m OO=None
  X=Customized 2=2*2 02=2:98 1=0.9mm loose tube 2=Φ3*L40mm 2=1.0m FU=FC/PC
    X=Customized 03=3:97 2=2.0mm loose tube 3=Φ3*L45mm 3=1.5m FA=FC/APC
      ...... 3=3.0mm loose tube 4=L90xW20xH10 4=2.0m SU=SC/PC
      X=Customized X=Customized X=Customized 5=2.5m SA=SC/APC
            6=3.0m LU=LC/PC
            X=Customized LA=LC/APC
              ST=ST/UPC
              XX=Customized

 

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