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1×2 1490 & 1550nm Dual Window Singlemode FBT Coupler Splitter With Steel Tube
The 1×2 1490 & 1550nm Dual Window Singlemode FBT Coupler Splitter With Steel Tube is a high-quality optical power-splitting device designed to deliver stable and precise optical performance across the 1490 nm and 1550 nm wavelength windows. Manufactured using advanced Fused Biconical Taper (FBT) technology, this splitter provides low insertion loss, high splitting accuracy, excellent wavelength stability, and reliable operation in dual-window fiber-optic communication systems.
$16.88
1×2 1490 & 1550nm Dual Window Singlemode FBT Coupler Splitter With Steel Tube
The 1×2 1490 & 1550nm Dual Window Singlemode FBT Coupler Splitter With Steel Tube is a high-quality optical power-splitting device designed to deliver stable and precise optical performance across the 1490 nm and 1550 nm wavelength windows. Manufactured using advanced Fused Biconical Taper (FBT) technology, this splitter provides low insertion loss, high splitting accuracy, excellent wavelength stability, and reliable operation in dual-window fiber-optic communication systems.
Encapsulated in a rugged stainless-steel protective tube, the device ensures superior mechanical strength and environmental durability, maintaining consistent optical characteristics even in demanding field installations. The precision fused-taper process guarantees low polarization-dependent loss (PDL) and uniform power distribution across different coupling ratios.
Available in multiple split/coupling ratios—including 50/50, 60/40, 70/30, 80/20, and 90/10—this FBT coupler splitter is widely used in FTTH/FTTx networks, EPON/GPON PON systems, CATV links, DWDM/CWDM monitoring, and optical sensing applications requiring accurate signal splitting within the 1490–1550 nm range.
Specifications
| Parameter | Value | ||||
|---|---|---|---|---|---|
| Configuration | 1 x 2 or 2 x 2 | ||||
| Type | Single Window | Dual Window | Three Window | All Band | |
| Center Wavelength | 1310/1550nm | 1310 & 1550nm/1310 & 1490nm/1490 & 1550nm | 1310 & 1490 & 1550nm | 1260 ~ 1620nm | |
| Operating Wavelength Range | ±40nm | ±40nm | ±40nm | – | |
| Insertion Loss | 50/50 | ≤3.4dB | ≤3.6dB | ≤3.6dB | ≤3.8dB |
| 10/90 | ≤10.65/0.65dB | ≤11.2/0.75dB | ≤11.2/0.75dB | ≤11.4/1.15dB | |
| 5/95 | ≤13.8/0.4dB | ≤14.15/0.4dB | ≤14.15/0.4dB | ≤14.3/0.8dB | |
| 1/99 | ≤21.15/0.2dB | ≤21.6/0.25dB | ≤21.6/0.25dB | ≤21.95/0.65dB | |
| PDL | ≤0.15dB | ||||
| Directivity | ≥55dB | ||||
| Return Loss | ≥50dB | ||||
| Operating Temperature | -10 ~ +70°C | ||||
| Storage Temperature | -40 ~ +85°C | ||||
| Dimension | Φ3 x 54mm | ||||
Note:
- Above specifications are for devices without connector. Add an additional 0.2dB loss per connector.
- Only the popular coupling ratios are listed. For more parameters, please contact sales@sunmafiber.net.
Dimension Drawing (Unit: mm)
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