FBT coupler (Fused Biconical Taper Coupler) is a passive optical component based on optical fiber micro-processing technology. It can pass one or more input optical signals through the internal coupling mechanism and distribute them to multiple output ports without loss of optical power.
Share:
Optical coupler1X2 Singlemode Dual Window FBT Coupler With SC/UPC Connector 0.9mm
Fiber optic coupler, is a device applicated in optical fiber systems with one or more input fibers and one or several output fibers.For the fused optical splitter,It can be divided into different ratios.such as 50/50 if the split is even, or 80/20 if 80% of the signal goes to one side and only 20% to the other.As a result of its great funciton,Optical splitter is a very important part in passive opitc networks (PON).FTB Fused fiber splitter (coupler) can do Singlemode (1310/1550nm) and Multimode (850nm).Cable diameter can be 0.9mm,2.0mm,3.0mm ,Single window,dual window and three window all we can product .
Singlemode Dual Window Couplers are Single Mode Splitters with a defined split ratio from one or two input fibers to 2 output fibers. Available split counts are 1x2 and 2x2 in split ratios of: 50/50, 40/60, 30/70, 20/80, 10/90, 5/95, 1/99, 60/40, 70/30, 80/20, 90/10, 95/5, and 99/1. Dual Window Couplers are availble with 0.9mmloose tube singlemode fiber or 250umbare fiber and terminated or unterminated as per your needs. UnconnectorizedDWC's come with no connectors for easy splicing or connectorization. Connectorized DWC's are available with your choice of Fiber Optic Connectors: LC/UPC, LC/APC, SC/UPC, SC/APC, FC/UPC, FC/APC, and ST/UPC.
Characteristics
Low insertion loss and excess loss
Low polarization dependence
High optical return loss
Better uniformity
Environmental Stability and Reliability
Small package size
Coupling Ratio
| Coupling Ratio | Insertion Loss | |
| Premium | A Grade | |
| 40/60 | 4.7/2.7 | 5.0/2.9 |
| 30/70 | 6.0/1.9 | 6.4/2.1 |
| 20/80 | 7.9/1.2 | 8.4/1.4 |
| 10/90 | 11.3/0.5 | 12.7/0.8 |
| 5/95 | 15.2/0.4 | 18.5/0.5 |
| 1/99 | 22.5/0.3 | 23.0/0.4 |
Specification
| Parameter | |
| Connector | SC/APC |
| Operating Wavelengt(nm) | 1310/1550 |
| Split Ratio | 50:50 customized |
| Insertion Loss (dB) P/S Grade | 3.9/3.9 |
| Polarization Dependent Loss(dB) | ≤0.15 |
| Temperature coefficient, dB/° C | 0.002 |
| Operating Temperature°С | -20...+50 |
| Length cable | 1m |
| Storage Temperature,°С | -40...+85 |
Order information
| Item | Connector | Ferrule | Fiber Type | Fbt Type | Split Ratio | Diameter(mm) | Length(m) |
| 1x2 | SC,FC... | APC/UPC | SM/MM | Tube type/ABS Box | Customized | 0.9/2.0/3.0 | 1m,1.5m... |
| 1X3 | SC,FC... | APC/UPC | SM/MM | Tube type/ABS Box | Customized | 0.9/2.0/3.0 | 1m,1.5m... |
Inquiry
