An Optical Spectrum Analyzer (OSA) differentiates between various Dense Wavelength Division Multiplexing (DWDM) channels by analyzing the optical power levels at different wavelengths within a specific spectral range. DWDM is a technology that transmits multiple optical signals simultaneously over a single fiber, each signal using a slightly different wavelength of light. These individual wavelengths are referred to as channels. An OSA functions like a highly sensitive spectrometer, separating the incoming light into its constituent wavelengths and m....
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