optical spectrum analyzer

The HP 70951B (also branded as Agilent/Keysight) is an optical spectrum analyzer module designed for measuring optical spectra, featuring a unique double-pass monochromator. It is part of the 70000 Modular Measurement System and is a component of the HP 71451B Optical Spectrum Analyzer System. Key Features Wavelength Range: 600 nm to 1700 nm Wavelength Accuracy: ±1 nm Absolute Accuracy: ±0.3 nm Wavelength Linearity: ±0.05 nm (for spans <40 nm) Wavelength Repeatability: ±0.005 nm Wavelength Resolution: 0.02 nm (standard), 0.01 nm (optional) Sensitivity: -90 dBm Dynamic Range: 60 dB Polarization Dependency: ±2.5 dB (600 to 1700 nm) Resolution Accuracy: ±30% (600 to 1700 nm) Sweep Time: 40 nm/50 ms Additional Characteristics Optimized for EDFA (Erbium-Doped Fiber Amplifier) testing with improved sensitivity and accuracy Real-time sweep rates Excellent amplitude accuracy Low polarization dependency Wavelength and amplitude calibration across full measurement range Selectable input connectors for monochromator or photodetector input Option 002 (Built-in White Light Source): 900-1700 nm wavelength range The HP 70951B is a 4/8-width module that must be inserted into either an HP 70004A or HP 70001A mainframe.