MARCH 11, 2008 � Santec (search for Santec) has developed a wavelength blocker for OADM applications in next-generation optical communication networks. The internal optical block has no moving parts and the package is based on a hermetic sealing structure for high operational stability and long-term reliability.

Other features of the subsystem include C-band or L-band operation at 100- or 50GHz spacing, wide passband with flat-topped channel profile, channel-by-channel attenuation and blocking, and high extinction ratio.

In addition to its application to reconfigurable OADMs, the blocker also can be used for network management (protection and restoration) and dynamic channel power equalization.

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