The Keysight 81960A Tunable Laser Source is a compact, front-loadable module delivering stable, low-noise optical output across the C+L-band for precision wavelength-dependent testing. This instrument provides adjustable power levels, fast wavelength tuning, and integrated SBS suppression—making it essential for DWDM component characterization, fiber optic network validation, and optical amplifier measurements in both R&D and production environments.
Technical Specifications
• Wavelength Range: 1505 nm to 1630 nm (C+L-band coverage)
• Wavelength Accuracy During Sweeping: ±10 pm
• Scan Speed: Up to 200 nm/s maximum
• Repetition Rate: >2 repetitions/second bidirectional; up to 3 repetitions/second for 2 nm span; 1 cycle/second for 40 nm span
• Output Power: +6 dBm to +14 dBm adjustable; >+5 dBm typical
• Power Stability: ±0.01 dB over 1 hour (typical)
• Linewidth: 40 dBc
• Wavelength Resolution: 0.1 nm
– Key Features
• Polarization-maintaining fiber (PMF) output with angled connectors; Panda-type fiber with TE mode alignment
• Built-in SBS suppression and coherence control to minimize interference effects
• CW or modulated power operation; supports external digital modulation via trigger feedback
• Remote interlock interrupts laser current when connector is open
• Full remote control via GPIB commands or instrument GUI
• Source-to-spontaneous noise ratio sufficient to isolate performance of filter devices
– Typical Applications
• DWDM component measurements and adjustments
• Single and multi-channel fiber optic characterization
• Optical amplifier testing and validation
– Compatibility & Integration
Operates with 8163A/B, 8164A/B, and 8166A/B Lightwave Measurement Systems. Supports 816x Plug&Play driver, N4150A Photonic Foundation Library, SCPI commands, and N7700A swept-wavelength measurement software.
