Spectral analysis, or the measurement of optical power as a function of wavelength and related parameters, is a key part of thorough optical source qualification. Keysight photonic component analyzers include the XP1-, XP2-, XP3-, XP4-, XP5-, and XP6-class. This. An optical spectrum analyzer (OSA) quantifies and displays the power of an optical light source over a given wavelength range. Three key parameters that are measured. Spectral testing of active systems in lab and manufacturing environments This white paper outlines the recommended tests in laboratory and manufacturing environments for optical sources and optical amplifiers. Targeted wavelengths for specific applications in O band, C band and L band. Extremely compact, cost-effective optical spectrum analyzers designed for streamlined testing and.