Request Infopiezosystem jena GmbHThe FS 102 optical fiber switch for multimode fibers from piezosystem jena GmbH allows fast switching between several measurement channels or between measurement and reference channels in a fiber-coupled spectrometer. The switch can handle fiber core diameters ranging from 100 to 600 µm and has demonstrated <1-dB insertion loss and <250-dB crosstalk. Switching time ranges from 2 to 5 ms, depending on the core diameter, and each switching position has high repeatability and is stable over a wide temperature range. 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