The VIAVI Solutions HA097+20KFP1 is a programmable optical attenuator designed for precise attenuation control across the 1200–1700 nm wavelength band. It delivers 100 dB attenuation range with 0.01 dB resolution and ±0.1 dB accuracy, enabling deterministic signal conditioning in test, R&D, and network simulation environments. Remote control via GPIB and RS232 with SCPI/HP8156A command compatibility supports seamless integration into automated measurement systems.
Technical Specifications
Optical Performance
• Attenuation Range: 100 dB
• Attenuation Resolution: 0.01 dB
• Attenuation Accuracy: ±0.1 dB
• Insertion Loss: <1.5 dB
• Polarization Dependent Loss (PDL): 60 dB
• Discrete Internal Optical Reflections: >60 dB
Wavelength and Fiber
• Operating Wavelength Range: 1200–1700 nm
• Fiber Type: 9/125 µm single mode
• Optical Interface: FC/PC bulkhead connectors (front panel)
Control and Interface
• Remote Control: GPIB (IEEE 488.2) and RS232
• Command Set: SCPI/HP8156A compatible
• User Interface: Front panel keypad
Electrical and Optical
• Maximum Optical Input Power: 200 mW
– Key Features
• Built-in beam blocking switch provides fast access to infinite attenuation (>90 dB)
• Inherently linear design with built-in calibration and offset functions
• Minimized cavity effects for stable operation
• 0.01 dB step resolution enables fine-grain signal conditioning
– Typical Applications
• Optical component and subsystem testing
• Research and development in fiber optics
• Network simulation and performance characterization
• Automated test system integration
– Compatibility & Integration
The attenuator accepts standard SCPI commands compatible with HP8156A programming, enabling straightforward migration and integration into legacy and modern test frameworks. GPIB and RS232 connectivity supports both direct instrument control and networked system deployment.
