The Santec OVA-920 Optical Variable Attenuator is a precision instrument for accurate control of optical power levels in optical communications, laboratory testing, and research environments. It delivers reliable, repeatable attenuation across a wide dynamic range with minimal insertion loss, making it suitable for optical system integration and automated test setups.
Technical Specifications
• Attenuation Range: Up to 100 dB dynamic range
• Repeatability: ±0.01 dB
• Insertion Loss: Low insertion loss design
• Wavelength Dependence: Low wavelength dependency
• Polarization Dependent Loss (PDL): Low PDL
• Maximum Optical Input Power: 23 dBm
• Fiber Compatibility: Single-mode fiber (SMF), dispersion-shifted fiber (DSF), and polarization-maintaining fiber (PMF); available with 0.9 mm tight buffer and 0.25 mm jacket options
• Connector Options: APC (Angled Physical Contact) and SPC (Standard Physical Contact) available
– Key Features
• Wide attenuation range for dynamic power control
• Excellent repeatability ensures consistent test results
• Low insertion loss minimizes signal degradation
• Supports multiple fiber types and connector configurations
• Calibrated units with calibration services available
• Remote operation via GPIB, Ethernet, and USB interfaces
– Typical Applications
• Optical communication system testing and validation
• Bit Error Rate (BERT) testing of optical transceivers
• Power level adjustment in automated test systems
• Channel equalization in WDM systems
• Laboratory research and component characterization
– Compatibility & Integration
The OVA-920 integrates with standard optical test benches and supports both SMF and specialty fibers (DSF, PMF). Multiple connector types and remote control interfaces enable flexible integration into automated measurement and production test environments.
