The JDS Uniphase HA11 is a programmable optical attenuator delivering precise power control across the near-infrared spectrum. It combines wide dynamic range attenuation with sub-0.01 dB resolution and high repeatability, making it essential for telecommunications testing, optical network characterization, and photonic system validation.
## Technical Specifications
**Attenuation Performance**
• Range: Up to 100 dB
• Resolution: 0.01 dB (standard); 0.001 dB available (HA1 series)
• Repeatability: 0.01 dB
• Accuracy: ±0.1 dB
**Wavelength & Optical Characteristics**
• Operating Range: 1200–1700 nm
• Wavelength Dependence: 60 dB
• Backreflection: >60 dB
• Polarization Dependent Loss: Typically 0.03 dB
• Single-Mode Fiber: 9/125 µm
• Optical Interface: SC/PC
**Physical & Environmental**
• Dimensions: 15 × 8.5 × 4 inches (approximate)
• Weight: 9.63 lbs (approximate)
• Operating Temperature: 40–60 °C
• Humidity: Maximum 90% (up to 40 °C)
• Manufactured in Canada
## Key Features
• SCPI/HP8156A command compatibility for instrument integration
• GPIB and RS232 remote control interfaces
• Optional 1:2 fiber optic switch (SW12) integration
• Interchangeable couplers (2/98, 10/90, 30/70, 50/50 available)
• Built-in beam blocking switch enabling >90 dB infinite attenuation
## Typical Applications
• Optical power level control in high-speed communication networks
• Receiver sensitivity testing and dynamic range characterization
• Optical sensor system calibration and validation
• Signal conditioning in photonic measurement setups
## Compatibility & Integration
Seamless integration with automated test systems via GPIB or RS232 protocols. SCPI command set ensures compatibility with existing HP8156A-based configurations. Optional switching and coupling modules extend functionality for multi-wavelength and multi-path test scenarios.
