The Agilent/Keysight 81614A Fabry-Perot Laser Source Module is a precision optical light source engineered for component characterization and loss measurement in multichannel test platforms. This stabilized Fabry-Perot laser diode delivers consistent output across demanding optical testing applications, including insertion loss, optical return loss, and polarization dependent loss (PDL) measurements. The module exhibits exceptional insensitivity to back reflections, maintaining performance integrity even in high-reflection optical paths.
Technical Specifications
• Laser Type: Fabry-Perot Laser Diode
• Output Power: > 0 dBm (> 1 mW)
• CW Power Stability (short-term, 15 min): < ±0.005 dB (typical)
• CW Power Stability (long-term, 24 h): ±0.03 dB (typical)
• Spectral Width (rms): < 3.5 nm at 1310 nm; < 4.5 nm at 1550 nm
• Output Attenuation Range: 0 dB to 6 dB in 0.1 dB steps
• Internal Digital Modulation: 270 Hz, 330 Hz, 1 kHz, 2 kHz, and user-selectable 200 kHz to 10 kHz with 50% duty cycle pulse shaping
• Safety Classification: Class I per IEC 60825-1 (1998) and FDA CFR 21 (1995)
• Operating Temperature: 0°C to +45°C
• Humidity: Non-condensing
• Dimensions (typical): 75 mm × 32 mm × 335 mm
• Weight (typical): 0.5 kg
– Key Features
• Back-reflection insensitivity for stable operation in reflective environments
• Improved coherence control with linewidth broadening capability
• Precision output attenuation in 0.1 dB increments
• Short and long-term power stabilization for extended measurement campaigns
• Requires straight output connectors; specifications valid at end of 2-meter fiber cable
– Typical Applications
• Optical insertion loss measurement
• Optical return loss characterization
• PDL testing
• Component validation in fiber optic systems
– Compatibility & Integration
The 81614A integrates into the Keysight Multichannel Platform, enabling firmware upgrades and modular expansion. Designed for use with optical power meter modules to form complete optical testing solutions.
