Patents by Inventor Salvatore J. Lalama

Salvatore J. Lalama 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).

  • Nonlinear optical materials and devices
    Patent number: 4859876
    Abstract: An electrooptic or optical parametric device comprises a noncrystalline second order optically nonlinear element and means for providing an optical input to and an optical output from said element wherein said element comprises an organic molecule having second order optical susceptibility incorporated in a directionally oriented manner in an optically clear glassy polymer. When said device is employed in an electrooptic mode it includes means for applying an electric field and/or optical input to said element for altering an optical property thereof.
    Type: Grant
    Filed: June 19, 1987
    Date of Patent: August 22, 1989
    Assignees: AT&T Bell Laboratories American Telephone and Telegraph Company, AT&T Technologies, Inc.
    Inventors: Carl W. Dirk, Howard E. Katz, Salvatore J. Lalama, Kenneth D. Singer, John E. Sohn