Patents by Inventor Jean-Louis P. Amadieu

Jean-Louis P. Amadieu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Optical multiplexer-demultiplexer and method of manufacturing same
    Patent number: 4726012
    Abstract: An optical multiplexer-demultiplexer comprises a one-piece support having three grooves arranged according to a T pattern to accommodate the stretched ends of three optical fibers to be coupled. A slit is arranged at an angle of substantially 45.degree. to the grooves and at the apex of the T pattern and contains a dichroic plate. The plate is made of a substrate carrying dichroic layers. The fibers are held in the groove by an index matching adhesive. The various members of the multiplexer-demultiplexer are assembled at the work site.
    Type: Grant
    Filed: April 10, 1986
    Date of Patent: February 16, 1988
    Inventors: Jean-Louis P. Amadieu, Claude M. Guinet, Jacques J. C. Lonnoy