The VIAVI Solutions/JDSU HA097+20KFA1 is a programmable optical attenuator that delivers precise control of optical signal power in fiber optic systems. Built for test labs, R&D environments, and optical communication system characterization, this unit combines high resolution attenuation with exceptional repeatability across an extended wavelength range.
Technical Specifications
• Attenuation range: 100 dB
• Attenuation resolution: 0.01 dB
• Attenuation accuracy: ± 0.1 dB
• Attenuation repeatability: ± 0.01 dB
• Wavelength range: 1200–1700 nm
• Insertion loss: 60 dB
• Maximum optical input power: 200 mW
• Fiber type: 9/125 µm single-mode
• Optical interface: FC/PC connectors with front-panel bulkhead mounting – Key Features • Built-in beam blocking switch enables fast access to infinite attenuation (> 90 dB)
• Integrated calibration and offset functions allow alignment with external optical power meters
• 0.01 dB resolution supports fine-grain power level control
• Typical PDL of 0.03 dB minimizes polarization-dependent measurement errors
• Repeatable attenuation within ± 0.01 dB ensures consistent test results across multiple cycles – Typical Applications • Optical signal power characterization in development and production testing
• System performance validation under variable power conditions
• Component sensitivity analysis in optical communication networks
• Laboratory measurements requiring high-resolution attenuation control – Compatibility & Integration • Remote control via GPIB/IEEE-488 and RS232-C interfaces
• Compatible with standard test automation environments using industry-standard command protocols
• Single-mode fiber systems in the 1200–1700 nm window















