1x3 1x4 Monolithic Single Mode Fiber Coupler is fused by 3 or 4 fibers under heat at the same time. Keep only 1 input fiber and 3 or 4 output fibers as per demands. For 1x3 Monolithic Coupler, the shortest steel tube Unifiber can build is 30mm to cater to customers’ special requirements.
Low excess loss
Low PDL
Dual operating window
High stability and reliability
Optical communication systems
CATV
Local Area Networks
Testing instruments
| Grade | P | A | P | A | |
|---|---|---|---|---|---|
| Port Configuration | 1×4 | ||||
| Operating Wavelength(nm) | 1310,1490 and 1550 | ||||
| Operating Bandwidth(nm) | 1310±40,1490±10,1550±40 | 1310±40,1490±10,1550±40 | |||
| Typical Excess Loss(dB) | 0.3 | 0.4 | 0.3 | 0.4 | |
| Insertion Loss(dB) | ≤7.2 | ≤7.5 | ≤7.2 | ≤7.5 | |
| PDL (dB) | ≤0.25 | ≤0.30 | ≤0.25 | ≤0.30 | |
| Uniformity(dB) | ≤1.4 | ≤1.8 | ≤1.4 | ≤1.8 | |
| Directivity (dB) | ≥55 | ||||
| Operating Temperature (℃) | -40 ~ +85 | ||||
