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Glossary

Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.

Optical Spectrum Analyzer (OSA)

A device that measures the magnitude of an optical lightwave with respect to frequency. Available in benchtop, portable and handheld form-factors, its applications range from channel spacing and spectral characterization to network commissioning, ROADM testing as well as in-band OSNR measurement.