ID OSA Optical Spectrum Analyser for Telecommunications & Optical Networks

This is the ID OSA’s primary, manufacturer-confirmed application. Per the ID Photonics datasheet, typical uses include high-resolution spectral analysis, DWDM transport testing, OSNR characterisation, modulated signal characterisation, transceiver testing, and network monitoring.

With two input ports of differing sensitivity that extend the available power range beyond 90 dB, the ID OSA can accurately analyse both low-power tap signals and high-power DWDM bands with a single instrument. Typical devices tested include DWDM multiplexers and demultiplexers, arrayed waveguide gratings (AWGs), optical add-drop multiplexers (OADMs and ROADMs), and WDM transceivers. Because the unit has no moving optical parts and requires no recalibration, it holds up well in continuous production-line testing and R&D bench use, with USB/Ethernet control and an integrated web GUI that support remote and automated test sequencing.

For network equipment manufacturers, the ID OSA integrates into automated production test lines via SCPI commands, enabling pass/fail wavelength and OSNR verification against the ITU-T G.694.1 frequency grid without operator intervention. Research groups developing next-generation modulation formats use the same instrument to verify spectral occupancy and adjacent-channel interference as symbol rates and channel spacing are pushed tighter for higher spectral efficiency.