CHATSWORTH, Calif., April 15 -- Sabeus Photonics Inc., the technology leader in the design and manufacture of high-concept optical components, acknowledged it has been granted a US patent for a high-concept manufacturing technology that makes possible the cost-effective production of high-precision, wideband, in-fiber dispersion compensation filters. Such filters are of critical importance in the optical communications network, where they are used to counteract the loss of integrity in signals traveling through an optical fiber. 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