The JDS Uniphase HA9-HA9543-FAS2 is a programmable optical attenuator that delivers precise attenuation control across extended wavelength ranges for demanding laboratory and field test environments. This instrument provides attenuation up to 100 dB with 0.01 dB resolution and ±0.1 dB accuracy, making it essential for power meter calibration, bit error rate testing, and fiber optic loss simulation.
## Technical Specifications
• **Attenuation Range:** Up to 100 dB
• **Resolution:** 0.01 dB nominal
• **Accuracy:** ±0.1 dB
• **Repeatability:** 0.01 dB
• **Wavelength Range:** 1200–1700 nm standard; optional 750–1700 nm configuration available
• **Wavelength Dependence:** ±0.05 dB maximum over 1530–1625 nm
• **Polarization Dependent Loss (PDL):** Typically 0.03 dB
• **Return Loss:** ≤60 dB
• **Maximum Input Power:** 200 mW
• **Built-in Beam Block:** Yes
## Key Features
• Half-rack form factor for space-constrained installations
• SCPI/HP8156A-compatible command set with keyboard front-panel control
• Dual remote control via GPIB (IEEE 488.1) and RS232
• Optional built-in couplers (2/98, 10/90, 30/70, 50/50) for tap or dual input/output access
• LabVIEW driver support for automated test sequences
• Operating temperature range: 0–40 °C
• Storage temperature range: –40 to 60 °C
## Typical Applications
• Power meter testing and linearity calibration
• Bit error rate (BER) testing in high-speed digital systems
• Optical link loss simulation and characterization
• EDFA output power assessment
• Analog transmission and multi-channel AM system evaluation
• High bit-rate PCM system testing
## Compatibility & Integration
• **Fiber Types:** Single-mode (SMF) at full attenuation range; multimode (MMF) with 45 dB maximum attenuation
• Supports 9/125 µm SMF specification
