The Ando AQ2733 is an InGaAs optical sensor module engineered for precision optical power detection across the 700 nm to 1700 nm wavelength band. It delivers accurate measurements in fiber optic and free-space applications, with measurement ranges extending to -93 dBm and supporting continuous-wave and pulsed optical signals. The module integrates directly into Ando test platforms and the AQ2140 Optical Multimeter Expansion Frame, making it suitable for production test, field verification, and laboratory characterization of optical components and systems.
Technical Specifications
• Sensor Type: InGaAs
• Wavelength Range: 700 nm to 1700 nm
• Power Range: –93 dBm to +10 dBm (optical fiber emission); –80 dBm to +10 dBm (CW light)
• Measurement Accuracy: ±5% (1000 nm to 1600 nm)
• Linearity: ±0.05 dB (1000 nm to 1600 nm, –50 dBm to +10 dBm)
• Polarization Dependency Loss: 0.02 dB P-P (typical)
• Connector: FC (via AQ9389B adapter)
– Key Features
• Wide spectral coverage from 700 nm through 1700 nm supports near-infrared and short-wavelength infrared measurements
• Measurement dynamic range of up to 93 dB enables detection of weak signals in low-loss and high-loss optical paths
• Tight linearity specification of ±0.05 dB ensures reliable power tracking across the full operating range
• Minimal polarization-dependent loss maintains measurement consistency regardless of input signal polarization
• AQ9389B FC adapter enables direct integration with standard fiber connectors
– Typical Applications
• Optical power monitoring in fiber optic communications systems
• Signal verification and characterization in test setups
• Optical device testing and validation
• Research measurements in photonics applications
– Compatibility & Integration
The module is designed for use with Ando optical test platforms and expands the capabilities of the AQ2140 Optical Multimeter Expansion Frame. Connection to fiber optic sources and components is accomplished through the AQ9389B FC connector adapter.


















