FBT Coupler - [ Sell Product ]

Place of Origin :
Post Date : 25-04-2021
Expiry Date : 19-07-2023

Trade Description

TS Communication Manufacture And Provide A Wide Breadth Of FBT Couplers, Which Includes SM Standard Coupler, Dual-window Coupler, Three-window Coupler, Wideband Coupler With Low Insertion Loss And High Performances. The FBT Couplers Are Available With Coupling Ration Ranging From 1:99 To 50:50. Customized Specifications Are Basically Available.

FBT Coupler Is A Type Of Splitter Which Is Based On Fused Biconical Taper Technology. The Technology Is Widely Accepted And Adopted In The PON Solution. FBT Or Fused Biconical Taper Is A Traditional Technology That Two Fibers Are Twisted And Fused Together Under High Temperature While The Device Is Being Elongated And Tapered.

Features Of FBT Coupler
Passed Telcordia GR-1221-CORE, And 85?, 85%RH Test Up To 1500 Hours

Low Extra Loss

Specifications Of FBT Coupler
1×2 Single Mode Coupler(SMC)
Wavelength Nm 1310,1550,1310&1550
Bandwidth Nm ±20,±40
Coupling Ratio 50/50 40/60 20/80 10/90
Grade P S P S P S P S
Insertion Loss DB Max 3.4 3.6 4.4/2.6 4.6/2.8 7.5/1.2 8.0/1.3 11.0/0.65 12.0/0.8
Uniformity DB Max 0.5 0.7 / / / / / /
PDL DB Max 0.15 0.2 0.2 0.25 0.2 0.25 0.2 0.3
Return Loss DB =50
Operating Temperature ? -20~75

1×2 Tap Coupler(WTC)
Wavelength Nm 1550 Or On Request
Bandwidth Nm ±20
Coupling Ratio 1/99 2/98 5/95
Grade P S P S P S
Insertion Loss DB Max 21.5/0.22 22.0/0.3 18.5/0.25 19.5/0.35 14.0/0.4 14.8/0.5
PDL DB Max 0.25/0.10 0.30/0.15 0.25/0.10 0.30/0.15 0.25/0.10 0.30/0.15
Return Loss DB =50
Operating Temperature ? -20~75

Three-Windows Couple
Wavelength Nm 1310&1490&1550
Bandwidth Nm 1310±40,1490±10,1550±40
Coupling Ratio 50/50 40/60 20/80 10/90
Grade P S P S P S P S
Insertion Loss DB Max 3.7 4 4.7/2.7 5.0/3.0 7.8/1.4 8.1/1.7 11.2/0.9 11.6/1.2
Uniformity DB Max 0.5 0.7 / / / / / /
PDL DB Max 0.2 0.25 0.2 0.25 0.2 0.25 0.2 0.3
Return Loss DB =50
Operating Temperature ? -20~75

(TWC)1×N Monolithic Single Mode Couple(MSC)
Wavelength Nm 1310,1550 Or On Request
Bandwidth Nm ±20
Coupling Ratio 1×3 1×4
Grade P S P S
Insertion Loss DB Max 5.4 5.7 7 7.4
Uniformity Max DB Max 0.8 1.2 1.2 1.5
PDL Max DB Max 0.2 0.3 0.2 0.3
Return Loss DB =50
Operating Temperature ? -20~75