The HP/Agilent 81542MM is a 1300 nm LED source module engineered for optical test and measurement applications using 50/125 µm multimode fiber. It delivers calibrated light output for accurate characterization of optical components, systems, and fiber optic installations in research and development environments.
Technical Specifications
Optical Output
• Central Wavelength: 1300 nm ± 40 nm
• Spectral Bandwidth: −20 dBm
• Fiber Type: 50/125 µm multimode
Physical
• Dimensions: 90 mm × 100 mm × 300 mm
• Weight: Approximately 2 kg
Electrical
• Power Supply: External, compatible with Agilent mainframe units (specific requirements dependent on mainframe model)
Optical Interface
• Connector: Agilent 81000xI Series (sold separately)
– Key Features
• Stable, calibrated light source for repeatable measurements
• Broad spectral output (< 90 nm FWHM) suitable for general fiber optic testing
• Wavelength stability at 1300 nm ± 40 nm for telecommunications and research applications
• Compact module form factor integrates into Agilent test platforms
– Typical Applications
• Optical component and system characterization
• Fiber optic link loss and attenuation measurements
• Multimode fiber testing and qualification
• Laboratory research and development in optical communications
– Compatibility & Integration
The 81542MM plugs into Agilent/HP 8153A, 8163A, 8164, and 8166 series mainframes. Power is supplied through the host mainframe. An Agilent 81000xI Series optical interface connector (purchased separately) is required for optical coupling.


















