Description
1550nm Large Core 1×2 2×2 MM Fiber Fused Coupler
1550nm Large Core 1×2 2×2 MM Fiber Fused Coupler is built with fused biconical taper (FBT) technology, optical signal power can be splitted into two parts with even or various coupling ratio by the FBT Coupler, it’s widely applied in fiber optic transmission and fiber optic sensor field. Higher optical power version is available upon request.
| Application: | Features: |  |
| Optical Signal Transmission | Low Excess Loss | |
| Fiber Optic Sensor | High Return Loss | |
| Testing System | Low Insertion Loss | |
| Optical Diffraction System | High Reliability |
Specification:
| Parameter | Symbol | Value | Unit |
| Center Wavelength | λ | 1550 | nm |
| Bandwidth | BW | ±40 | nm |
| Max. Excess Loss | EL | 0.7 | dB |
| Coupling Ratio Tolerance | 50±3, 40±2.5, 30±2, 20±1.5, 10±1.5, 5±0.7, 1±0.3 | % | |
| Min. Directivity | 40 | dB | |
| Min. Return Loss | RL | 40 | dB |
| Max. Optical Power (CW) | P | 2 or specify | W |
| Max. Tensil Load | 5 | N | |
| Fiber Type | 105/125, 200/220 MM fiber | ℃ | |
| Operating Temperature | T | -40~70 | – |
| Storage Temperature | T | -40~85 | ℃ |
| Package Dimension | Φ3×L54 | 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):
| MMFUC-WWWW-PP-RR-FF-J-LL-CC |
||||||
| WWWW | PP | RR | FF | J | LL | CC |
| Wavelength | Port | Coupling Ratio | Fiber Type | Fiber Jacket | Fiber Length | Connector |
| 850 – 850nm | 12 – 1×2 | 01 – 1/99 | M1 – 105/125 | B – 250um Bare Fiber | 05 – 0.5m | NE – None |
| 1310 – 1310nm | 22 – 2×2 | 02 – 2/98 | M2 – 200/220 | 9 – 900um Loose Tube | 10 – 1.0m | FA – FC/APC |
| 1550 – 1550nm | 03 – 3/97 | SS – Specify | 2 – 2.0mm Loose Tube | 15 – 1.5m | FU – FC/UPC | |
| SSSS – Specify | 05 – 5/95 | 3 – 3.0mm Loose Tube | 20 – 2.0m | SA – SC/APC | ||
| 10 – 10/90 | SS – Specify | SU – SU/APC | ||||
| 20 – 20/80 | LA – LC/APC | |||||
| 30 – 30/70 | LU – LC/UPC | |||||
| 40 – 40/60 | SS – Specify | |||||
| 50 – 50/50 | ||||||
| SS – Specify | ||||||
Example: MMFUC-1550-12-50-M1-9-10-FU is the PN for 1550nm Large Core MM Fiber Fused Coupler, 1×2, 50/50, 1.0m 105/125 MM fiber, 900um loose tube, FC/UPC connector
