Ando AQ2735 Power Sensor

The Ando AQ2735 is a cooled InGaAs optical power sensor module engineered for precise optical power measurement across the telecommunications and component testing spectrum. It plugs directly into Ando AQ-2140 and AQ-2141 optical multimeter systems, delivering spectral analysis through simultaneous wavelength, power, and spectral width measurement.

Technical Specifications

• Sensor Type: Cooled InGaAs


• Wavelength Range: 700 to 1700 nm


• Power Range (CW light): -80 to +27 dBm


• Power Range (Chopped light): -80 to +24 dBm


• Accuracy: ±5% (1000 to 1650 nm); ±2.5% under reference conditions


• Linearity: ±0.05 dB (1000 to 1650 nm, -40 to +27 dBm)


• Polarization Dependency Loss: 0.02 dB P-P typical

Key Features

• Wide dynamic range from -80 to +27 dBm accommodates both weak and strong optical signals


• Tight linearity specification ensures accurate power quantification across the operating range


• Low polarization dependency loss minimizes measurement variation with input polarization state


• Direct module integration - no external interfaces or adapters required for host system connection

Typical Applications

• Telecommunications system component characterization


• Optical source power verification and validation


• Spectral width and wavelength measurement in component test environments


• Multi-parameter optical signal analysis requiring single-module deployment

Compatibility & Integration The AQ2735 functions as a pluggable sensor unit for Ando AQ-2140 and AQ-2141 optical multimeter systems. Direct integration into these host platforms provides immediate access to the sensor's measurement capabilities without requiring additional interface hardware.