Patents by Inventor Igor Khrushchev

Igor Khrushchev 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).

  • Publication number: 20070263974
    Abstract: A method of altering the refractive index of a region of a crystal comprising focusing a pulsed laser beam at a desired position within the crystal and moving the focused beam along a path such that the focussed beam alters the refractive index of the region of the crystal along the path.
    Type: Application
    Filed: October 11, 2004
    Publication date: November 15, 2007
    Inventors: Igor Khrushchev, Andrei Okhrimchuck
  • Publication number: 20070230861
    Abstract: An optical fiber or waveguide having a core and a cladding, the fiber/waveguide including a modified region or regions with a modified optical property that differs from the surrounding optical fiber/waveguide, wherein the cross sectional area of the modified region(s) is considerably smaller than the cross sectional area of the core of the fiber or waveguide.
    Type: Application
    Filed: May 16, 2005
    Publication date: October 4, 2007
    Inventors: Igor Khrushchev, Yicheng Lai, Mykhaylo Dubov, Amos Martinez, Ian Bennion