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The JDSU OSA-180 is a Full-band, high-performance 1250 to 1650 nm Optical Spectrum Analyzer for testing optical systems and components. A new monochromator design provides ultra high optical resolution, and outstanding wavelength accuracy in a small and rugged OSA module, offering the best field solution for testing DWDM and CWDM networks during installation, maintenance and troubleshooting. The high resolution OSA-180 DWDM analyzer is suited for testing DWDM networks with tight channel spacing down to 50 GHz. Specifications. Operating modes: WDM, Drift, DFB, LED, FPL, EDFA. Wavelength range: 1250 to 1650 nm. Measurement samples: 120,000. Number of optical channels: 256. Wavelength calibration: internal, online. Wavelength accuracy: typ. ± 20 pm. Readout resolution: 1 pm. Resolution bandwidth (FWHM): typ. 70 pm. Power measurement ranges; Dynamic range: -65 to +23 dBm. Absolute accuracy: typ. + 0.5 dB. Linearity: ±0.1 dB. Total safe power: +23 dBm. Readout resolution: 0.01 dB. Scanning time (full band): <5 s. Scanning time (C-band): <1 s. Optical rejection ratio (ORR) at ± 25 GHz (± 0.2 nm): typ. 35 dBc. Optical rejection ratio (ORR) at ± 50 GHz (± 0.4 nm): typ. 45 dBc.
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