Patents by Inventor Chad Matthew Staus

Chad Matthew Staus 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).

  • Machining of lithium niobate by laser ablation
    Patent number: 6951120
    Abstract: Machining of crystalline lithium niobate is carried out utilizing a laser having a beam with a wavelength near the absorption edge of lithium niobate. The laser beam is provided in pulses of short duration and at a repetition rate selected to ablate the surface of the lithium niobate without damaging the bulk material. Translation of the laser beam and the substrate with respect to each other can be carried out to define a trench of a desired geometry in the lithium niobate.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: October 4, 2005
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Leon McCaughan, Chad Matthew Staus
  • Machining of lithium niobate by laser ablation
    Publication number: 20040252730
    Abstract: Machining of crystalline lithium niobate is carried out utilizing a laser having a beam with a wavelength near the absorption edge of lithium niobate. The laser beam is provided in pulses of short duration and at a repetition rate selected to ablate the surface of the lithium niobate without damaging the bulk material. Translation of the laser beam and the substrate with respect to each other can be carried out to define a trench of a desired geometry in the lithium niobate.
    Type: Application
    Filed: March 19, 2002
    Publication date: December 16, 2004
    Inventors: Leon McCaughan, Chad Matthew Staus
  • Electro-optic optical elements
    Patent number: 6545791
    Abstract: Electro-optic elements are formed in metal oxide films, such as lithium niobate, on a substrate such as lithium niobate for utilization in electro-optical devices. The electro-optic elements include trenches in the lithium niobate selected to improve the performance of the device. Traveling wave modulators may be formed with a waveguide having first and second arms, electrodes over the lithium niobate layer, and trenches formed in the layer to focus the electric field in the waveguide, resulting in improved modulator performance.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: April 8, 2003
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Leon McCaughan, Thomas F. Kuech, Dovas A. Saulys, Vladimir A. Joshkin, Aref Chowdhury, Chad Matthew Staus