Agilent/Keysight 86120A

The Agilent/Keysight 86120A is a multi-wavelength meter that employs Michelson interferometer technology to measure wavelength and optical power of laser signals simultaneously. Engineered for precision optical analysis in manufacturing and field deployment environments, it delivers repeatable measurements across demanding operating conditions while supporting multiple laser lines with high accuracy and fast scan times.

– Technical Specifications

• Wavelength Range: 700 to 1650 nm (182 to 428 THz) or 1270 to 1650 nm (182 to 236 THz) depending on configuration
• Maximum Laser Lines: Up to 100 lines (86120B configuration)
• Wavelength Accuracy: ±3 ppm at 1550 nm and 1310 nm for laser lines separated by ≥30 GHz
• Wavelength Scan Time: Less than 1 second
• Laser Linewidth: <10 GHz assumed
• Maximum Laser Input Power: 10 dBm (18 dBm safe input level)
• Operating Temperature Range: 0 °C to +55 °C
• Maximum Relative Humidity: 95%
• Operating Altitude: Up to 2000 meters
• Wavelength Standard: Built-in HeNe laser reference

– Key Features

• Simultaneous optical power measurement across multiple laser lines
• Michelson interferometer-based measurement principle for high accuracy
• Built-in HeNe laser wavelength standard for reference stability
• Shock and vibration tested for field robustness
• Enhanced graphical display for signal analysis
• LAN connectivity for remote operation and data transfer

– Typical Applications

• Multi-wavelength laser characterization in manufacturing environments
• Optical signal validation on production lines
• Field-based wavelength and power verification
• Laser line separation and accuracy testing

– Compatibility & Integration

The instrument supports standard interfaces including LAN connectivity for data transfer and system integration with test automation platforms.