Description
1450nm 1×6 Monolithic SM Fiber Fused Coupler
1450nm 1×6 Monolithic SM Fiber Fused Coupler is built with fused biconical taper (FBT) technology, optical signal power can be splitted into 6 parts with even coupling ratio by the FBT Coupler, it’s widely applied in Fiber Laser and fiber optic sensor field, the MM and PM types are available upon request.
| Application: | Features: | ![]() |
| Fiber Laser | Low Excess Loss | |
| Fiber Optic Sensor | High Return Loss | |
| Fiber Amplifier | Low Insertion Loss | |
| Optical Diffraction System | High Reliability |
Specification:
| Parameter | Symbol | Value | Unit |
| Center Wavelength | λ | 1450 | nm |
| Bandwidth | BW | ±40 | nm |
| Max. Excess Loss | EL | 0.25 | dB |
| Max. Insertion Loss | IL | 8.6 | dB |
| Max. Polarization Dependent Loss | PDL | 0.1 | dB |
| Min. Directivity | 50 | dB | |
| Min. Return Loss | RL | 50 | dB |
| Max. Optical Power (CW) | P | 1 or specify | W |
| Max. Tensil Load | 5 | N | |
| Fiber Type | SMF-28e fiber | – | |
| Operating Temperature | T | -40~70 | ℃ |
| Storage Temperature | T | -40~85 | ℃ |
| Package Dimension | Φ3×L56 | mm |
| Notice: Above specifications are tested at center wavelength without connector in room temperature @23℃. |
| For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower. Connectors only 1W CW optical power guarantee. |
Drawing:

Ordering Information (Part Number):
| SMFUC-WWWW-PP-RR-J-LL-CC |
|||||
| WWWW | PP | RR | J | LL | CC |
| Wavelength | Port | Coupling Ratio | Fiber Jacket | Fiber Length | Connector |
| 1310 – 1310nm | 16 – 1×6 | EV – Even | B – 250um Bare Fiber | 05 – 0.5m | NE – None |
| 1450 – 1450nm | 9 – 900um Loose Tube | 10 – 1.0m | FA – FC/APC | ||
| 1480 – 1480nm | 2 – 2.0mm Loose Tube | 15 – 1.5m | FU – FC/UPC | ||
| 1550 – 1550nm | 3 – 3.0mm Loose Tube | 20 – 2.0m | SA – SC/APC | ||
| 1580 – 1580nm | SS – Specify | SU – SU/APC | |||
| 1625 – 1625nm | LA – LC/APC | ||||
| 1650 – 1650nm | LU – LC/UPC | ||||
| SSSS – Specify | SS – Specify | ||||
Example: SMFUC-1450-16-EV-9-10-FA is the PN for 1450nm 1×6 Monolithic SM Fiber Fused Coupler, Even, 1.0m SM fiber, 900um loose tube, FC/APC connector
