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United States Utility Patents
5,058,970 - 5,058,979

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NumberTitle
5,058,970 Quasi-phase matching optical waveguide
5,058,971 Planar optical isolator
5,058,972 Integrated semiconductor device including an optoelectronic switching element
5,058,973 Device for reading by optical sensor coherence
5,058,974 Distributed amplification for lightwave transmission system
5,058,975 Fiber optic mixing device
5,058,976 System comprising Er-doped optical fiber
5,058,977 Broadband tunable in-line filter for fiber optics
5,058,978 Optical divider for multimode optical fiber systems
5,058,979 Optical fiber coupler and a fabrication method for the same



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