Agilent/Keysight 81619A Fabry-Perot Laser Source Module

The Agilent/Keysight 81619A is a dual-channel interface module that bridges optical heads from the 8162x series to Agilent/Keysight mainframe systems. This module processes digital data exclusively and integrates into 8163x, 8164x, and 8166x series mainframes to enable multi-channel optical measurement configurations.

Technical Specifications

• Channels: 2


• Optical Head Interfaces: 2 inputs


• Data Processing: Digital data only; no analog output


• Dimensions: 12.4 in. (L) × 1.25 in. (W) × 2.7 in. (H)


• Weight: 1 lb


• Storage & Shipment Temperature: −40°C to +70°C


• Operating Environment: Must remain within mainframe specifications

Key Features

• Dual-channel optical head interface supports parallel measurement configurations


• Digital-only architecture ensures clean signal routing within mainframe systems


• Compact form factor (12.4 in. length) fits standard 8163x, 8164x, and 8166x chassis


• Lightweight construction (1 lb) minimizes bench footprint


• Wide storage temperature range (−40°C to +70°C) enables flexible deployment scenarios

Typical Applications

• Multi-wavelength optical source characterization


• Simultaneous dual-channel optical power and wavelength measurement


• Lightwave system integration requiring modular measurement architecture


• Fabry-Perot laser source analysis within integrated test platforms

Compatibility & Integration The 81619A accepts all 8162x optical heads, including 8162xA and 8162xB series variants. It installs directly into Agilent/Keysight 8163A/B, 8164A/B, and 8166A/B mainframes. Operating environment specifications must conform to the relevant mainframe documentation to maintain performance and measurement accuracy.