Patents by Inventor Rand Ismaeel

Rand Ismaeel 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).

  • Magnetic field sensors, methods of detecting a magnetic field, and related magnetically responsive light propagating components and optical devices
    Patent number: 11754644
    Abstract: A magnetic field sensor comprises a magnetically responsive light propagating component configured to cause a polarization of light propagating inside the component to be rotated in response to an applied magnetic field, wherein the magnetically responsive light propagating component is formed of a bulk material doped with a dopant, the dopant including at least gadolinium, the dopant concentration being at a sufficiently low concentration such that the dopant is uniformly dispersed in the bulk material to provide a high Verdet constant. The magnetic field sensor also comprises a detector, and a polarization-maintaining light input device to couple the light into the magnetically responsive light propagating component. The detector is configured to measure a property of light output from the magnetically responsive light propagating component to determine a change in polarization of the light, the change caused by the presence of a magnetic field.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: September 12, 2023
    Assignee: UNIVERSITY OF SOUTHAMPTON
    Inventors: Rand Ismaeel, Ali Masoudi, Martynas Beresna, Gilberto Brambilla
  • MAGNETIC FIELD SENSORS, METHODS OF DETECTING A MAGNETIC FIELD, AND RELATED MAGNETICALLY RESPONSIVE LIGHT PROPAGATING COMPONENTS AND OPTICAL DEVICES
    Publication number: 20200348371
    Abstract: A magnetic field sensor comprises a magnetically responsive light propagating component configured to cause a polarization of light propagating inside the component to be rotated in response to an applied magnetic field, wherein the magnetically responsive light propagating component is formed of a bulk material doped with a dopant, the dopant including at least gadolinium, the dopant concentration being at a sufficiently low concentration such that the dopant is uniformly dispersed in the bulk material to provide a high Verdet constant. The magnetic field sensor also comprises a detector, and a polarization-maintaining light input device to couple the light into the magnetically responsive light propagating component. The detector is configured to measure a property of light output from the magnetically responsive light propagating component to determine a change in polarization of the light, the change caused by the presence of a magnetic field.
    Type: Application
    Filed: May 20, 2020
    Publication date: November 5, 2020
    Applicant: University of Southampton
    Inventors: Rand Ismaeel, Ali Masoudi, Martynas Beresna, Gilberto Brambilla