altAMS Technologies (Martinsried, Germany) has introduced the Optical Channel Monitor, which provides critical data on optical transmission signals present in DWDM networks with a scan time of less than 100msec. The Optical Channel Monitor includes a fixed fiber grating and a high resolution detector array, resulting in an accuracy better than 50 pm. The recorded data can be used to determine system functionality, identify performance drift or as feedback data for controlling telecommunication network elements. The OCM is designed to cover a wide range of spectral bandwidths and channel spacing applications (100, 50 and 25 GHz).

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