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Tunable Filter

Santec Corp.
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Santec Tunable FilterFor testing optical communication signals with speeds of 400 Gb/s or more, Santec Corp. offers a programmable optical tunable filter.

The OTF-980 combines wide C and L band tunability with bandwidth tuning. It features a two-fold improvement in filter slope over the previous model. Built with novel, free-space custom optics and an ultrafine tuning mechanism, the device enables precise filter control and a flat-top passband shape.

Two types are available. The Ultrafine type has 0.08- to 4-nm adjustable bandwidth with a filter slope of 500 dB/nm, and the Ultrafine-Plus type has 0.03- to 3-nm bandwidth tuning with a 1000 dB/nm filter slope. The devices can be controlled manually by a built-in touchscreen panel or automated via GPIB, Ethernet and USB interfaces.

Applications include channel selection and dense wavelength division multiplexing channel filtering, amplified spontaneous emission noise filtering, and transmission testing.

For more information, contact Santec at [email protected].

Photonics Spectra
Jan 2016
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