The MPB Communications EBS-4015/EFA is a combined erbium-doped fiber broadband source and power amplifier designed for high-power optical test and measurement applications. The unit integrates an amplified spontaneous emission (ASE) source with a dedicated power amplifier stage, delivering spectrally-shaped output across the C-band and extended wavelength range. This 1RU rack-mounted instrument addresses demanding requirements in DWDM system characterization, optical component testing, and transmission link analysis where broadband, low-ripple performance is critical.
Technical Specifications
Broadband Source
• Output Power: ≥15 dBm
• Spectral Range: 1524 nm to 1625 nm (centered at 1548 nm)
• 3 dB Spectral Width: ≥40 nm (up to 42 nm)
• 20 dB Spectral Width: 58 nm (typical)
• Ripple: ≤1.0 dB over 38 nm (1.0 dB typical); maximum 2.0 dB over 39 nm
• Output Stability (post 30 min warm-up): ≤±10 mdB/hr (5 mdB/hr typical)
• Polarization: Unpolarized
Power Amplifier
• Operating Wavelength Range: 1528 nm to 1568 nm
• Saturated Output Power: ≥15 dBm
• Small-signal Gain (1550 nm): −30 dBm
• Noise Figure (1550 nm): ≤5.0 dB (4.2 dB typical)
• Polarization Sensitivity: <0.10 (0.05 typical)
– Key Features
• Flat spectral response minimizes measurement uncertainty in gain and loss characterization
• Low noise figure enables sensitive system compliance testing
• Unpolarized output eliminates polarization-dependent measurement artifacts
• RS232 control interface with optional Ethernet connectivity
• Graphical user interface for system integration
• Remote interlock and key switch safety provisions
– Typical Applications
• EDFA gain spectrum measurement
• DWDM component loss-spectrum analysis
• Telecom link transmission spectrum characterization
• PMD measurements and fiber sensor testing
• White-light interferometry
• System compliance verification
– Compatibility & Integration
The instrument communicates via RS232 with optional Ethernet support and includes GUI software for laboratory and production test environments. Remote interlock and key switch features enable safe integration into automated or multi-instrument test racks.
