The Advantest Q82215 Optical Sensor Head is a precision germanium photodiode module engineered for high-accuracy optical power measurement in fiber optic systems. It delivers sub-microwatt sensitivity across the 800 nm to 1750 nm band, with measurement accuracy of 6% and exceptional noise performance at -94 dBm. The single-channel design accommodates FC, MU, SC, and ST connectors, enabling direct integration with compatible Advantest optical power meters for telecommunications, R&D, and manufacturing test environments requiring deterministic optical sensing.
Technical Specifications
• Sensor Type: Germanium (Ge) photodiode
• Wavelength Range: 800 nm to 1750 nm
• Measurement Range: 0.001 µW to 0.01 W
• Noise Level: -94 dBm (maximum sensitivity)
• Measurement Accuracy: 6%
• Calibration Wavelength: 1550 nm
• Polarization Dependence: Low
• Connector Types: FC, MU, SC, ST
• Operating Temperature: 0 to +40°C, RH ≤85%
• Storage Temperature: -25 to +70°C
• Dimensions: 10 × 8 × 8 in
• Weight: 5 lbs
– Key Features
• High sensitivity reaching -94 dBm noise floor for sub-microwatt power detection
• Broad spectral response from 800 nm to 1750 nm covering near-infrared and short-wavelength infrared regions
• Low polarization dependence ensures measurement consistency independent of fiber orientation
• Factory calibration at 1550 nm standard telecom wavelength
• Multiple connector options (FC, MU, SC, ST) accommodate diverse fiber jumper configurations
• Compact module form factor with proprietary interface for streamlined system integration
– Typical Applications
• Optical power and backreflection characterization in single-mode and multimode fiber networks
• Component testing in telecom infrastructure development and qualification
• Research-grade optical measurements requiring sensitivity below -90 dBm
• Manufacturing burn-in and acceptance testing of fiber-coupled optical systems
– Compatibility & Integration
The Q82215 integrates directly with the Advantest Q8221 optical power meter. Related sensor head options include the Q82214 and Q82216 modules, permitting wavelength-optimized sensor selection within a unified measurement platform.
