Multi-Mode FBT Optical Fiber Coupler Splitter
Fiberlink’s Multimode FBT Fiber Couplers are fabricated from graded index fibers with core diameters of 50um or 62.5um. Standard multimode couplers are commonly used in short distance communications with LED sources operating at 1300nm or 850nm. Multimode FBT Optical Couplers are wavelength independent over a broad range of wavelengths with uniform modal power distribution launch condition.
Features
Low Excess Loss
Various Coupling Ratios
Wide Pass Band
High Stability and Reliability
Applications
FTTX (FTTP, FTTH, FTTN, FTTC)
Passive Optical Networks (PON)
Local Area Networks (LAN)
CATV Systems
Optical communication systems
Specifications
| Multimode FBT Fiber Couplers | |||
| Grade Parameter | P | A | |
| Operating wavelength (nm) | 850 or 1300, others on request | ||
| Fiber Type | OM1 MM 62.5/125um or OM2 MM 50/125um | ||
| Operating bandwidth (nm) | ±40 | ||
| Typical excess loss (dB) | 0.40 | 0.70 | |
| Insertion loss (dB) | 50/50 | ≤3.7/3.7 | ≤4.0/4.0 |
| 40/60 | ≤4.7/2.7 | ≤5.0/3.0 | |
| 30/70 | ≤6.0/2.1 | ≤6.3/2.4 | |
| 20/80 | ≤7.8/1.4 | ≤8.1/1.7 | |
| 10/90 | ≤11.2/0.9 | ≤11.6/1.2 | |
| 5/95 | ≤14.5/0.7 | ≤15.0/1.0 | |
| 3/97 | ≤16.7/0.3 | ≤17.2/0.4 | |
| 2/98 | ≤18.6/0.6 | ≤19.4/0.9 | |
| 1/99 | ≤22.0/0.5 | ≤22.8/0.8 | |
| PDL (dB) | ≤0.20 | ≤0.30 | |
| Directivity (dB) | ≥40 | ||
| Operating temperature (℃) | -40 ~ +85 | ||
Packing Information
| Configuration | 1×2 or 2×2 |
| Fiber lead length | 1 meter, others on request |
| Package A: 3mm x 54mm stainless steel tube |
Pigtail type: 250m bare fiber or 900m loose tube |
| Package B: 3mm x 60mm stainless steel tube |
Pigtail type: 250m bare fiber or 900m loose tube |
| Package C: 90mm x 20mm x 9.9mm ABS case |
Pigtail type: 900m/2mm/3mm loose tube |
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