The Keysight 86122C is a high-performance optical wavelength and power meter engineered for precision characterization of optical signals in the 1270 nm to 1650 nm band. It delivers absolute wavelength accuracy of ±0.2 ppm with differential accuracy of ±0.15 ppm, making it ideal for telecommunications component validation, research environments, and production-floor quality assurance.
Technical Specifications
Wavelength Performance
• Wavelength range: 1270 nm to 1650 nm
• Absolute accuracy: ±0.2 ppm
• Differential accuracy: ±0.15 ppm
• Display resolution: 0.0001 nm
• Maximum linewidth (narrowband mode): 2.5 GHz
• Minimum resolvable line separation: 5 GHz (0.03–0.04 nm)
• Simultaneous line capacity: Up to 1000 laser lines
• Measurement units: nm, THz, cm⁻¹
Optical Power Characteristics
• Input power range: 10 dBm to +18 dBm
• Power linearity: ±0.3 dB (1270–1600 nm)
• Power flatness: ±0.2 dB (1270–1600 nm)
• Polarization dependence: ±0.5 dB (1270–1600 nm)
• Single-line input sensitivity: −32 dBm to −22 dBm
• Multiple-line input sensitivity: 25 dB
• SNR: >27–35 dB @ 100 averages
• Power calibration accuracy: ±0.5 dB
• Return loss: 35 dB (PC connectors)
Measurement Performance
• Standard update rate: 0.5 s
• Fast update rate (Option 86122C-110): 0.3 s
• Input connector: 9/125 µm single-mode fiber
• Return loss: 35–50 dB
– Key Features
• Enhanced, stabilized HeNe reference laser with double lifetime
• Five-year warranty on all parts and components
• Save and recall instrument states
• Delta wavelength, delta power, and combined measurement modes
• Broadband mode for weighted center measurement of wider spectral lines
• Two-year recalibration period
– Electrical & Physical
• AC input: 100–240 V, 50–60 Hz
• Power consumption: 310 VA
• Dimensions: 138 × 425 × 520 mm (H × W × D)
• Weight: 14.5 kg
– Compatibility & Integration
• Single-mode fiber: 9/125 µm
• Rear connectors: LAN, PS/2 (keyboard, mouse)
• USB ports for peripherals and data exchange
• Windows 7 operating system
