The JDS Uniphase HA97+18KFA1 is a programmable optical attenuator designed for precise control of optical signal levels in fiber optic networks. It delivers 100 dB of attenuation with 0.01 dB resolution and ±0.03 dB typical accuracy, making it suitable for demanding test and measurement applications across the C- and L-bands. The instrument supports both automated and manual adjustment via GPIB and RS232 interfaces, with command compatibility to the HP8156A standard.
Technical Specifications
• Attenuation Range: 100 dB
• Attenuation Resolution: 0.01 dB
• Attenuation Accuracy: ±0.03 dB typical
• Wavelength Range: 1200–1700 nm
• Insertion Loss: 2.5 dB (including connectors)
• Return Loss: 60 dB (analog)
• Repeatability: 0.01 dB
• Polarization Dependent Loss (PDL): 0.03 dB typical
• Wavelength Dependence: <±0.05 dB over 1530–1625 nm
• Maximum Optical Input Power: 1000 mW (1 W / 30 dBm) for HA2 models
• Fiber Type: Single-mode 9/125 µm; multimode configurable
• Connector Type: SC/PC; FC/APC available for specific configurations
• Control Interfaces: GPIB (IEEE 488.2), RS232
• Command Set: SCPI/HP8156A compatible
– Key Features
• 0.01 dB resolution enables fine-grained power control in laboratory and field environments
• Wide dynamic range supports loss simulation and power conditioning across extended wavelength spans
• Bulkhead front-panel ports simplify integration into test racks and systems
• Optional integrated switching and coupler configurations (1×2 switch, beam block, 2/98, 10/90, 30/70, 50/50 couplers)
• Universal Connector Adapters (UCAs) available for diverse deployment scenarios
– Typical Applications
• Power meter linearity calibration
• BER testing in analog and digital transmission systems
• EDFA output power characterization and amplifier testing
• DWDM system validation and loss simulation in fiber links
• Multichannel AM systems and high bit-rate PCM systems
– Compatibility & Integration
Certifications: CE, UL3101-1, CAN/CSA-C22.2 No. 1010.1. Remote control via standard GPIB and RS232 enables integration into automated test benches and network maintenance workflows.

















