DESCRIPTION
The DFRA (Distributed Fiber Raman Amplifier), adopts unique design to produce Distributed signal gain and flat output power while maintaining low noise figure, enabling test capabilities in system or component level manufacturing and characterization, as well as facilitating highly demanding R&D applications.
The turnkey bench-top unit incorporates an user-friendly front panel housing with a LCD monitor display, key switch, power control knob. An integrated RS232 interface enables easy control. The compact module is also available.
FEATURE
Wide Input Power and Wavelength Range
High Gain and Low Noise
User Friendly Interface
APPLICATION
Ultra Long Haul Optical Fiber Communication
Fiber Laser Physics, Sensing
Research and Development
SPECIFICATION
| Parameter | Unit | Min. | Typ. | Max. |
| Signal Wavelength Range | nm | 1528~1565 | – | 1570~1650 |
| Raman Gain | dB | 0 | – | 10 |
| Gain Flatness | dB | – | – | 2 |
| Pump Wavelength Range | nm | 1425~1457 | – | 1470~1550 |
| Pump Power | dBm | 25 | 27 | 30 |
| Degree of Polarization of Pump | % | 5 | – | 10 |
| Polarization Dependent Gain | dB | – | 0.2 | – |
| Polarization Mode Dispersion | ps | – | – | 0.5 |
| Input/Output Isolation | dB | 35 | – | – |
| Pump Control Mode | – | APC | ||
| Fiber Type | – | SM28-e, OD=0.9mm | ||
| Operating Temperature | ℃ | -5 ~ +50 | ||
| Power supply* | – | DC 5V, 6A (Module) AC 220V (Bench-top) |
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| Dimensions (L×W×H)* | mm | 220×130×30 (Module) 260×280×120(Bench-top) |
ORDER INFORMATION
DFRA-1-2-3-4-5
| 1 | 2 | 3 | 4 | 5 |
| Package | Pump Power | Band | Fiber Type | Connector |
| M=Module | 25 = 25dBm | C = C Band | S=SMF | FA=FC/APC |
| B=Bench-top | 27 = 27dBm | L = L Band | X=N.A. | |
| 30 = 30dBm |
