Special WDM
special wavelength WDM such as 980/1064nm, 1064/1550nm,1550/1625nm WDM. Raman
Pump Combiner is designed for combining the multiple pumps with different wavelengths
for Ramanamplifiers.
Features
- Wavelength on customer request
- Coupling ratio on customer request
- Low excess loss
- High stability and reliability
Applications
- Fiber sensors
- Optical communication systems
- Testing instruments
Specifications
| Parameter | Special WDM |
| Operating wavelength (nm) | 980 / 1064 | 1064 / 1550 | 1550 /1625 |
| Operating bandwidth (nm) | ±5 | ±15 | ±5 |
| Insertion loss (dB) | P | ≤0.3 |
| A | ≤0.4 |
| Isolation (dB) | P | ≥14 | ≥18 | ≥14 |
| A | ≥13 | ≥17 | ≥13 |
| PDL (dB) | P | | ≤0.10 | |
| A | | ≤0.15 | |
| Directivity (dB) | ≥55 |
| Operating temperature (ºC ) | -40 ~ +85 |
| Parameter | Raman Pump Combiner |
| | 15~ 20nm | >20nm |
| Operating wavelength (nm) | Upon customer request |
| Grade | P | A | P | A |
| Center insertion loss (dB) | ≤0.5 | ≤0.6 | ≤0.4 | ≤0.5 |
| Center isolation (dB) | ≥14 |
| Directivity (dB) | ≥55 |
| Operating temperature (ºC ) | -40 ~ +85 |
Our Service
We provide all our products with high quality, competitive price, short delivery lead time and excellent after-sales services.