Multi-mode steel tube 1×2 FBT splitter, optical coupler
Optical coupler, also referred to as optical splitter, is an essential passive component in optical fiber links, connecting multiple input and output fiber optic ends. Based on the light splitting principle, optical fiber splitters are divided into two types: fused biconical taper (FBT) and planar waveguide (PLC).
Description
Performance Specifications
| Type | Multi-mode 1xN FBT splitter, optical coupler, Coupling ratio, 50%:50% | ||
| Central wavelength (nm) | 1300 | 850 | |
| bandwidth(db) | ±20 | ±20 | |
| Additional loss(db) | ≤0.35 | ≤0.7 | |
| Insertion loss (db) | ≤3.3 | ≤3.9 | |
| Min directionality (db) | ≥45 | ≥45 | |
| Operating temperature(℃) | -40– +70 | ||
| Uniformity (db) | Couplers with uniform coupling ratio has this requirement | ||
| Applicant stndard | YD/T 893 | ||
| Grade | P | A | |
| Coupling ratio: /Insertion Loss(dB) | 1/99 | ≤22.5/0.25 | ≤23.5/0.35 |
| 2/98 | ≤18.8/0.3 | ≤19.5/0.4 | |
| 3/97 | ≤17.0/0.35 | ≤17.8/0.45 | |
| 5/95 | ≤14.6/0.4 | ≤15.5/0.5 | |
| 10/90 | ≤11.2/0.75 | ≤12.0/0.8 | |
| 20/80 | ≤7.9/1.3 | ≤8.4/1.4 | |
| 30/70 | ≤6.0/1.9 | ≤6.3/2.1 | |
| 40/60 | ≤4.7/2.7 | ≤4.9/2.9 | |
| 50/50 | ≤3.6 | ≤3.8 | |
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