Advantest Q82223 – High Power Optical Sensor

The Advantest Q82223 is a high-power optical sensor engineered for precise optical power measurements across demanding applications including laser power monitoring, optical component testing, and fiber optic communication system analysis. It delivers accurate, reliable data with excellent linearity and stability, ensuring consistent performance over extended measurement periods. The sensor integrates into the Advantest Q8221 system framework, which provides high-speed sampling capabilities up to 100 times per second.

Technical Specifications

• Measurement Accuracy: ±2.5% at calibration point; ±4.5% across broad wavelength region with sensitivity curve compensation


• Linearity: ±0.5%


• Power Measurement Range: Up to +10 dBm with high linearity


• Sampling Speed: Up to 100 times/sec


• Ranging Speed: 20 msec minimum to 500 msec maximum


• Noise Performance: -94 dBm (cooled InGaAs photodiode configurations)

Key Features

• High sensitivity via cooled InGaAs photodiode technology for low light level detection


• Low polarization dependency enabling precision PDL measurements when paired with polarization scrambler


• Low reflection characteristics with return loss of 50 dB or greater using slant-polished fiber ends; 45 dB or greater with PC polished connectors and appropriate adaptors


• Fiber compatibility with 10 µm core diameter and 0.19 NA or less, supporting dispersion shift fibers


• Multiple connector options: FC, SC, ST, MU, LC, and plug-in configurations

Typical Applications

• Laser power monitoring and characterization


• Optical component performance validation


• Fiber optic communication system analysis and troubleshooting

Compatibility & Integration The Q82223 operates with compatible Advantest optical power meter mainframes such as the Q8221. GPIB interface support enables integration into automated test environments and remote system control.