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FBT Coupler

UT-King’s FBT coupler is a splitter which based on fused biconical taper technology. It is widely accepted and used in passive optical networks (PON) solution. FBT coupler is a traditional technology that two fibers are typically twisted and fused together while the assembly is being elongated and tapered. We manufacturing and provide a wide breadth of FBT Coupler splitters, including Singlemode Standard Coupler, Dual Window Coupler, Three Window Coupler, Wide Band Coupler, PM Fused Coupler and All Band Coupler with low insertion loss and high performance. These Fused couplers are available with coupling ration ranging from 1:99 to 50:50. Most important, customized specs are also available.

Main Features

  •  Low Insertion Loss
  •  Low PDL
  •  Various Coupling Ratios
  •  Compact Size
  •  Wide Operating Temperature
  •  High Reliability and Stability
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Parameter

coupling Ratio(%) 1:99 2:98 3:97 5:95 10:90 20:80 30:70 40:60 50:50
Directivity (dB) ≥55
Connector FC/SC/LC/ST UPC/APC
Wavelength(nm) 830,850,980,1310,1490,1550,1610or customized
Pigtail Style Bare Fiber/900umJacket/3mmCable
Fiber Type Corning Single mode SMF-28,DS Fiber or Flexcore
Fiber Pigtail Length (m) 1meter
Port Configuration 1×2, 2x2 or 1×4
Package Dimension Package M, A, B, C
Operating Temperature (°C) -40~85
Storage Temperature (°C) -40~85