The Photonetics Walics 3651HR12 Optical Spectrum Analyzer delivers precise spectral analysis across the C-band and L-band regions, enabling critical measurements in telecommunications and photonics systems. This benchtop instrument measures optical signal characteristics with high wavelength accuracy, making it essential for light source evaluation, device loss characterization, and WDM system analysis.
Technical Specifications
• Wavelength Range: 1450 nm to 1650 nm
• Wavelength Accuracy: ± 40 pm over 120 nm range
• Resolution Bandwidth: 0.02 nm to 1 nm (selectable)
• Dynamic Range: 60 dB (± 0.1 nm) or 80 dB (± 2 nm)
– Key Features
• High-resolution spectral measurement capability with sub-nanometer bandwidth selection
• Dual dynamic range modes for flexible signal measurement across varying power levels
• Wavelength accuracy suitable for dense WDM applications and optical device characterization
• Manual calibration capability with wavelength offset adjustment for performance optimization
– Typical Applications
• Light source spectral evaluation and characterization
• Wavelength-dependent loss measurement in optical components and systems
• WDM channel analysis and signal integrity assessment
• Optical device performance validation across the C-band and L-band spectrum
– Compatibility & Integration
The Walics 3651HR12 supports industry-standard interfaces for remote operation and data acquisition, including GPIB for instrument control, Ethernet connectivity for network integration, and USB for peripheral access. Direct user control via keyboard and mouse input is supported for local operation.


















