1×N (N×N) Monolithic Multi-Mode Coupler 850 or 1310nm,50/125um or 62.5/125um
Multimode fiber couplers (MMC) are used for multimode fiber LAN systems. UNIFIBER builds a series of MMC with low insertion loss, high reliability.
Features
Low Insertion Loss
Low Excess Loss
Low PDL
Good Directivity
Good environmental Stability
Various Coupling Ratio
Compact Size
Standard/Flattened/Broadband/Star/Tree
Applications
Optical Fiber Communication Systems
Optical Fiber CATV
Passive Optical Network (PON)
Optical Amplifiers
Optical Access Networks/LAN
Monitoring Systems
Optical Fiber Sensor
Parameter | 1×2 (2×2)MMC | ||
P | A | ||
Operating wavelength (nm) | 850 or 1310, others on request | ||
Operating bandwidth (nm) | ±40 | ||
Typical excess loss (dB) | 0.4 | 0.7 | |
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 | |
2/98 | ≤18.6/0.6 | ≤19.4/0.9 | |
1/99 | ≤22.0/0.5 | ≤22.8/0.8 | |
Uniformity (50/50) (dB) | ≤0.5 | ≤0.8 | |
Directivity (dB) | ≥40 | ||
Operating temperature (℃) | -40 ~ +85 | ||
Fiber type (μm) | 50/125 or 62.5/125 Multi-Mode or others |
Parameter | 1×3 MMC | 3×3 MMC | 1×4 MMC | ||||
Operating wavelength(nm) | 850 or 1310, others on request | ||||||
Operating bandwidth (nm) | ±40 | ||||||
Grade | P | A | P | A | P | A | |
Typical excess loss (dB) | 0.7 | 1.0 | 1.0 | 1.3 | 0.9 | 1.2 | |
Insertion loss (dB) | ≤6.0 | ≤6.3 | ≤6.3 | ≤6.6 | ≤7.8 | ≤8.3 | |
Uniformity (dB) | ≤0.6 | ≤0.9 | ≤1.2 | ≤1.6 | ≤1.2 | ≤1.5 | |
Directivity (dB) | ≥40 | ||||||
Operating temperature (℃) | -40 ~ +85 | ||||||
Fiber type (μm) | 50/125 or 62.5/125 Multi-Mode or others |
* The above specification is without connector.
**Other specifications can be made on customer request.