The Ando AQ6331 is a portable optical spectrum analyzer engineered for high-precision wavelength and optical power measurement across the 1200–1700 nm band. Delivering performance comparable to benchtop instruments, the AQ6331 combines compact, lightweight construction with advanced spectral analysis capabilities. It is purpose-built for telecommunications, fiber manufacturing, and component development environments—particularly suited to DWDM system validation, field installation, and maintenance workflows.
Technical Specifications
Wavelength Measurement
• Wavelength range: 1200 to 1700 nm
• Wavelength accuracy: ±0.02 nm (1520–1580 nm), ±0.05 nm (1580–1620 nm), ±0.3 nm (1200–1700 nm)
• Wavelength linearity: ±0.01 nm (1520–1580 nm), ±0.02 nm (1580–1620 nm)
• Wavelength reproducibility: ±0.005 nm (1 min.)
• Wavelength resolution: 0.05 nm minimum; 50.0 pm
• Resolution accuracy: <5% (0.2 nm resolution setting)
Optical Power Measurement
• Level accuracy: ±0.3 dB typ. (1550 nm, 1600 nm); ±0.1 dB (1520–1580 nm); ±0.2 dB (1520–1620 nm)
• Level linearity: ±0.05 dB (0 to −50 dBm input, HIGH 1–3 sensitivity)
• Level reproducibility: ±0.02 dB (1550 nm, 1600 nm)
• Dynamic range: 55 dB or more (1523 nm, peak: ±0.4 nm, 0.05 nm resolution); 40 dB or more (±0.2 nm peak, 0.05 nm resolution)
• High power measurement: up to +20 dBm
• Polarization dependency: ±0.05 dB (1550 nm, 1600 nm)
• Return loss: 30 dB typ. (1550 nm, 1600 nm)
Performance
• Sweep time: ~0.5 sec.
• Applicable fiber: Single-mode fiber (10/125 µm)
– Key Features
• Internal wavelength calibration via built-in reference light source; no external fiber connection required
• DWDM measurement capability: 50 GHz and 100 GHz channel spacing
• Triple-trace display with reference/measurement waveform comparison
• Analysis functions: WDM, EDFA, PMD, SMSR, peak/bottom search, spectral width, notch-width, delta-marker, line marker
• Long-term channel peak monitoring for temporal spectral analysis
• User programming for preconfigured measurement conditions and automated processes
• Built-in printer
– Typical Applications
• DWDM system deployment and commissioning
• Dense wavelength division multiplexing network testing
• Optical device and component characterization
• Field maintenance and troubleshooting
• Research and development
– Compatibility & Integration
Connects via single-mode fiber (10/125 µm) interfaces. Automated internal calibration eliminates external reference dependencies.
