The JDS Uniphase HA11-HA117+20ASC1 is a programmable single-mode optical attenuator engineered for precision power control across the 1200–1700 nm wavelength range. This instrument delivers 0.01 dB resolution and ±0.01 dB accuracy, making it essential for telecommunications testing, optical research, and network maintenance where signal attenuation must be controlled with exacting precision.
## Technical Specifications
• **Fiber Type:** Single-mode (9/125 µm)
• **Operating Wavelength:** 1200–1700 nm
• **Attenuation Range:** 60 dB
• **Attenuation Resolution:** 0.01 dB
• **Attenuation Accuracy:** ±0.01 dB
• **Insertion Loss:** 60 dB
• **Polarization Dependent Loss (PDL):** 0.08 dB max
• **Maximum Optical Input Power:** 500 mW
• **Optical Connectors:** SC/PC bulkhead ports
## Key Features
• Front-panel keypad control with GPIB (IEEE 488.2) and RS232 interfaces
• SCPI/HP8156A command compatibility for automated test environments
• Factory-calibrated to OEM specifications with calibration certificate and data provided
• Low insertion loss and high return loss minimize system reflections
• Controlled PDL performance supports polarization-sensitive applications
## Typical Applications
• Optical power control and loss simulation in fiber-optic links
• Power meter linearity calibration and characterization
• EDFA output power measurement and optimization
• Analog transmission and bit error rate testing
• Network maintenance and optical signal conditioning
## Compatibility & Integration
The HA11-HA117+20ASC1 integrates into existing fiber-optic systems via standard SC/PC connectors. Multiple control interfaces—front panel, GPIB, and RS232—enable both standalone operation and integration into automated measurement systems. SCPI command compatibility ensures straightforward adaptation to legacy and modern test frameworks.
















