optical spectrum analyzer

The HP 86142A (also branded as Agilent / Keysight) is a benchtop, high-performance grating-based optical spectrum analyzer.Key Specifications & Features:Wavelength Range: 600 nm to 1700 nmWavelength Accuracy: ±0.025 nm (1510–1570 nm), ±0.035 nm (1570–1640 nm)Wavelength Resolution: 0.05 nm (typical)Span Range: 0.2 nm to full range (and zero span)Amplitude Measurement Accuracy: 0.02 dBDynamic Range: -40 dB (maximum)Power Level Range: -90 dBm to +30 dBm (minimum input -90 dBm, maximum input up to +30 dBm)Sweep Time: 180 ms (minimum) to 650 ms (maximum)Display Scale: 0.01 to 20 dB/DivDesign & Architecture:Uses a double-pass monochromator design to simultaneously achieve high sensitivity and dynamic range with fast sweep times.Benchtop form factor.