The Advantest Q82227 is a high-power optical sensor head for precision light measurement across the 900 nm to 1650 nm wavelength range. Built with a cooled InGaAs sensor element, it delivers wide dynamic range performance from -80 dBm to +27 dBm, making it ideal for telecommunications, fiber-optic component testing, and optical power monitoring in laboratory and manufacturing environments. The Q82227 measures output from optical-fiber amplifiers, pump light sources, and high-output laser diodes with measurement accuracy of ±4.5% in CW mode and ±5.5% in CHOP mode.
Technical Specifications
• Wavelength Range: 900 nm to 1650 nm
• Power Range: -80 dBm to +27 dBm
• Minimum Power (CW): 20 nW
• Minimum Power (CHOP): 200 pW
• Measurement Modes: CW (Continuous Optical Measurement Mode); CHOP (Chopped Light Measurement Mode, 270 Hz)
• Measurement Accuracy: CW ±4.5%; CHOP ±5.5%
• Sensor Element: InGaAs, Cooled
• Optical Input: Core Diameter ≤0.19 µm; Numerical Aperture ≤0.19
• Connectors: PC and Slanted Rubbed
• Operating Temperature: 0 to 40°C
• Calibration: NIST Traceable
– Key Features
• Noise floor of -80 dBm enables detection of low-level optical signals
• Dual measurement modes address both continuous and modulated light sources
• Compact, portable design supports on-site measurements
• Maximum optical power handling of +27 dBm accommodates high-output applications
– Typical Applications
• Optical power monitoring in telecommunications systems
• Laser power measurement for fiber-coupled sources
• Fiber-optic amplifier characterization
• Optical CATV laser diode testing
– Compatibility & Integration
The Q82227 operates as a plug-in sensor head unit, interfacing with main units such as the Q8221 system for integrated optical measurement.
