1x2 and 2x2 Single mode Fused Coupler
Features
- Low Excess Loss
- Various Coupling Ratio
- Compact Size
Applications
- Long-haul Telecommunications
- CATV Systems and Fiberoptic Sensors
- Local Area Network
Specifications
| Parameter | Unit | Specifications | |||||
|---|---|---|---|---|---|---|---|
| Operating wavelength | nm |
Standard: 1310±10, 1480±10, 1550±10, 1585±10 or Custom |
Wideband: 1310±40, 1550±40, 1585±40nm or Custom |
Dual window wideband: 1310/1550±40, 1310/1585±40 or Custom |
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| Grade | P | A | P | A | P | A | |
| Insertion loss (Max.) (Coupling ratio: 50/50%) | dB | 3.3/3.3 | 3.5/3.5 | 3.3/3.3 | 3.5/3.5 | 3.5/3.5 | 3.8/3.8 |
| Insertion loss (Max.) (Coupling ratio: 40/60%) | dB | 4.4/2.5 | 4.4/2.8 | 4.4/2.5 | 4.4/2.8 | 4.7/2.8 | 5.0/2.9 |
| Insertion loss (Max.) (Coupling ratio: 30/70%) | dB | 5.6/1.8 | 6.0/2.0 | 5.6/1.8 | 6.0/2.0 | 6.0/1.9 | 6.4/2.1 |
| Insertion loss (Max.) (Coupling ratio: 20/80%) | dB | 7.6/1.2 | 8.0/1.3 | 7.6/1.2 | 8.0/1.3 | 7.9/1.3 | 8.5/1.4 |
| Insertion loss (Max.) (Coupling ratio: 10/90%) | dB | 10.8/0.60 | 12.0/0.80 | 10.8/0.60 | 12.0/0.80 | 11.3/0.70 | 12.7/0.80 |
| Insertion loss (Max.) (Coupling ratio: 5/95%) | dB | 13.8/0.35 | 15.7/0.55 | 13.8/0.35 | 15.7/0.55 | 15.0/0.45 | 16.0/0.50 |
| Insertion loss (Max.) (Coupling ratio: 2/98%) | dB | 18.0/0.25 | 19.5/0.30 | 18.0/0.25 | 19.5/0.30 | 19.0/0.30 | 20.0/0.45 |
| Insertion loss (Max.) (Coupling ratio: 1/99%) | dB | 21.0/0.20 | 21.5/0.30 | 21.0/0.20 | 21.5/0.30 | 22.5/0.25 | 23.0/0.40 |
| Excess loss (Typ.) | dB | 0.10 | 0.20 | 0.10 | 0.15 | 0.10 | 0.15 |
| Uniformity (50/50) | dB | ≤ 0.30 | ≤ 0.40 | ≤ 0.40 | ≤ 0.50 | ≤ 0.70 | ≤ 1.0 |
| PDL* (High ratio port) | dB | ≤ 0.10 | ≤ 0.20 | ≤ 0.10 | ≤ 0.15 | ≤ 0.10 | ≤ 0.15 |
| PDL* (Low ratio port) | dB | ≤ 0.15 | ≤ 0.20 | ≤ 0.15 | ≤ 0.15 | ≤ 0.15 | ≤ 0.15 |
| Directivity | dB | ≥ 55 | |||||
| Operating Temperature | °C | - 20 to +75 ( - 40 to +85 Available upon request) | |||||
| Storage Temperature | °C | - 40 to +85 | |||||
| Package Dimensions (LxWxH) | mm |
A= Standard, Ø3.0xL54 for 250um fiber Ø3.0xL60 for 900um fiber M=Compact, Ø3.0xL40, SS tube N=Mini, Ø3.0 x L35, SS tube C=98x14x8.5 (2&3 mm fiber jacket) S=89x51x9.2 (2&3 mm fiber jacket) |
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Note:
*PDL: Polarization dependent loss
All values refenced are without connector.