Temperature compensated insensitive optical multiplexor/demultiplexor
Patent 5905824 Issued on May 18, 1999. Estimated Expiration Date: 
December 9, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 9, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesApparatus comprising a waveguide magneto-optic isolator Langmuir-Blodgett films in a waveguide optical pick-up head using Mach-Zehnder interferometers Waveguide optical pick-up head using mach-zehnder interferometer wavefront sensor apparatus and method Dense waveguide division multiplexers implemented using a first stage fourier filter Patent #: 5852505 InventorsApplicationNo. 987642 filed on 12/09/1997US Classes:385/15WITH OPTICAL COUPLERExaminersPrimary: Ullah, Akm E.Attorney, Agent or FirmInternational ClassG02B 6/2/6AbstractAn optical device comprising a planar waveguide, and a second portion spaced from the planar waveguide portion by a gap to receive optical signals therefrom, the planar waveguide portion including: means integrated therein for separating an input beam into sub-beams having different central wavelengths; the second portion having closely spaced waveguides for receiving the sub-beams of light and having passive temperature compensation means coupled therewith for enhancing the coupling of the optical signals having predetermined wavelengths provided by the first block with the closely spaced waveguides.Field of SearchSolid state optical element with plural dissimilar optical components (e.g., using I.C. block, etc.)INTEGRATED OPTICAL CIRCUIT Electro-optic Coupling between waveguides Channel waveguide Organic Plural (e.g., data bus) Particular coupling function POLARIZATION WITHOUT MODULATION Thin film optical waveguide Condition responsive light guide (e.g., light guide is physically affected by parameter sensed which results in light conveyed to the photocell) | |
