Single Mode Customized Splitting Ratio Fiber Optic 1x2 FBT coupler

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.

optica wave provides 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.

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Product Description

Our FBT Hightlights
Cheaper than PLC Splitter
Coupling ration ranging from 1:99 to 50:50
Available for singlemode and multimode fibers
Available for single wavelength, dual wavelength, three wavelength, wide band and all band wavelength.

Features

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

Applications

FTTx Solutions
LAN, WAN and Metro Networks
Analog/Digital Passive Optical Networks
CATV Networks
Subscriber Loop
Fiber Sensors
Fiber Optic Instruments etc.

Specifications

Item	Value
Channel Number	1×2 or 2×2
Operration Wavelength(nm)	1310,1550,1310/1550,1310/1550/1490
Operration Bandwidth(nm)	±40
Coupling Ratio	Coupling Ratio Insertion Loss(dB)
	P Grade	A Grade
50/50	≤3.3	≤3.5
40/60	≤4.5/2.6	≤4.7/2.8
30/70	≤5.7/1.9	≤5.9/2.1
20/80	≤7.6/1.3	≤7.75/1.38
0/90	≤10.85/0.68	≤11.2/0.75
5/95	≤14.4/0.45	≤15.5/0.48
2/98	≤18.5/0.6	≤19.8/0.38
1/99	≤21.8/0.28	≤22.8/0.35
PDL(dB)	≤0.15	≤0.2
Directivity(dB)	≥50
Return Loss(dB)	≥55

Our FBT Coupler Product Line As Below:

1X2 (2X2) Single Mode Single Window Coupler
1X2 (2X2) Single Mode Dual Window Coupler
1X2 (2X2) Single Mode Triplex Window Coupler
Singlemode Tree and Star Couplers
All Band Coupler (1260~1620nm)
Wide Band Coupler
Mini Size Fused Coupler

1X3 Monolithic Single Mode Coupler
1X4 Monolithic Single Mode Coupler
3X3 Monolithic Single Mode Coupler
1X4 Monolithic Triplex Window Single Mode Coupler
PM FBT Coupler (PMC)
Multi Mode Fiber Coupler
1X3 (3X3) Monolithic Multi-Mode Coupler

Dk photonics Polariztion maintaining fused biconical taper 850nm Thorlabs 1064nm coupling ratio single mode fiber Optical coupler directional coupler

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