1x2 and 2x2 PM Fused Coupler
Features
- Low Excess Loss and Insertion Loss
- High Power Handling
- High Stability and Reliability
- High Extinction Ratio
- Operating On Both Fast and Slow Axes
Applications
- Power Monitoring
- Coherent Communication
- Fiber Laser and Amplifier
- Fiber Gyroscope
- Fiber Sensor
- Instrumentation
Specifications
| Parameter | Unit | Specifications | |||||
|---|---|---|---|---|---|---|---|
| Operating wavelength | nm | 780±15, 850±15 | 980±15, 1064±15 | 1310±15, 1550±15 | |||
| Grade | P | A | P | A | P | A | |
| Insertion loss (Max.) (Coupling ratio: 50/50%) | dB | 3.6/3.6 | 3.8/3.8 | 3.6/3.6 | 3.8/3.8 | 3.6/3.6 | 3.8/3.8 |
| Insertion loss (Max.) (Coupling ratio: 40/60%) | dB | 5.2/3.1 | 5.4/3.3 | 5.2/3.1 | 5.4/3.3 | 5.2/3.1 | 5.4/3.3 |
| Insertion loss (Max.) (Coupling ratio: 30/70%) | dB | 5.8/2.0 | 6.1/2.1 | 5.8/2.0 | 6.1/2.1 | 5.8/2.0 | 6.1/2.1 |
| Insertion loss (Max.) (Coupling ratio: 20/80%) | dB | 8.0/1.5 | 8.2/1.7 | 8.0/1.5 | 8.2/1.7 | 8.0/1.5 | 8.2/1.7 |
| Insertion loss (Max.) (Coupling ratio: 10/90%) | dB | 11.6/1.2 | 11.8/1.4 | 11.6/1.2 | 11.8/1.4 | 11.6/1.2 | 11.8/1.4 |
| Insertion loss (Max.) (Coupling ratio: 5/95%) | dB | 14.8/0.80 | 15.0/1.0 | 14.8/0.80 | 15.0/1.0 | 14.8/0.80 | 15.0/1.0 |
| Insertion loss (Max.) (Coupling ratio: 2/98%) | dB | 18.4/0.40 | 18.9/0.50 | 18.4/0.40 | 18.9/0.50 | 18.4/0.40 | 18.9/0.50 |
| Insertion loss (Max.) (Coupling ratio: 1/99%) | dB | 22.0/0.35 | 22.5/0.40 | 22.0/0.35 | 22.5/0.40 | 22.0/0.35 | 22.5/0.40 |
| Excess loss (Max) | dB | 0.80 | 1.0 | 0.80 | 0.10 | 0.40 | 0.60 |
| ER* | dB |
High ratio port: 20 Low ratio port: 16 |
High ratio port: 18 Low ratio port: 14 |
High ratio port: 20 Low ratio port: 16 |
High ratio port: 18 Low ratio port: 14 |
High ratio port: 20 Low ratio port: 16 |
≤ High ratio port: 18 Low ratio port: 14 |
| CR Tolerance @ ʎc (%) | % |
50/50 : ±3.0 40/60 :±2.5 30/70 : ±2.0 20/80 : ±2.0 10/90 : ±1.0 5/95 : ±0.5 2/98 : ±0.3 1/99 : ±0.2 |
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| Thermal Stability | dB/°C | ≤ 0.005 | |||||
| Return loss | dB | ≥ 55 | |||||
| Directivity | dB | ≥ 50 | |||||
| Optical Power | mW | ≤ 500 | |||||
| Operating Temperature | °C | - 20 to +75 ( - 40 to +85 Available upon request) | |||||
| Storage Temperature | °C | - 40 to +85 | |||||
| Package Dimensions | mm |
A= Standard, Ø3.0xL54 for 250um (all wavelengths) Ø3.0xL70 for 900um (all wavelengths) M=Compact, Ø3.0xL35 for 250um (1550nm only) Ø3.0xL54 for 900um (1550nm only) |
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Note:
*ER: Extinction ratio.
IL is 0.3dB higher, RL 5dB lower and ER 2dB lower for each connector added.
Connector key is aligned to slow axis.
All values refenced are without connector.