The Advantest Q82018A is an InGaAs PIN photodiode optical sensor engineered for precision optical power measurement across the long-wavelength infrared spectrum. It delivers sensitivity down to -60 dBm at 1.3 µm, with 0.01 dB power resolution and excellent linearity across a 4-1/2 digit dynamic range. This sensor head integrates with the complete Advantest TQ82000 series optical power meter platform.
Technical Specifications
• Wavelength Range: 0.8 µm to 1.65 µm
• Sensor Type: InGaAs PIN Photodiode
• Measurement Range: -60 dBm to 0 dBm
• Power Resolution: 0.01 dB
• Power Levels: 0.001 µW to 0.001 W
• Sensitivity: -60 dBm (at 1.3 µm)
• Accuracy: ±5%
• Linearity: Excellent
• Dynamic Range: 4-1/2 digits
– Key Features
• High sensitivity optical measurements across near-infrared and short-wavelength infrared bands
• ±5% measurement accuracy with 0.01 dB resolution ensures precise characterization of optical power levels
• Excellent linearity performance critical for repeatable, quantifiable results in optical system validation
• Wide 60 dB dynamic measurement range accommodates both weak signals and higher-power optical channels
– Typical Applications
• Optical communication system validation and component characterization
• Long-wavelength optical power verification (0.8–1.65 µm band)
• Fiber-optic and integrated photonic device testing
• Optical signal path loss and attenuation measurement
– Compatibility & Integration
The Q82018A sensor head connects directly to the Advantest optical power meter series: TQ8210, TQ82015, TQ82014A, TQ82017A, TQ82021A, TQ82024, and other TQ82000 series instruments. Operation manual available from Advantest. Connector type specifications available through Advantest sales.
