Patents by Inventor Ebrahim Karimi

Ebrahim Karimi 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).

  • Converter of orbital momentum into spin momentum for the polarization of particle beams
    Patent number: 8552398
    Abstract: An apparatus for spin polarizing a particle beam is adapted to process an input particle beam in such a way as to generate an at least partially spin polarized output particle beam. A vortex beam generator for imparting orbital angular momentum to the input particle beam. An electromagnetic field generator generates a transverse magnetic field, space-variant and symmetric with respect to the axis of the input particle beam, in such a way as to change the spin of the particles and attach thereto different values of orbital angular momentum in dependence on their input spin values. A beam component separating group spatially separates the particles in dependence on their orbital angular momentum values, in such a way as to obtain the at least partially spin polarized output particle beam.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: October 8, 2013
    Assignee: Consiglio Nazionale Delle Ricerche
    Inventors: Vincenzo Grillo, Lorenzo Marrucci, Ebrahim Karimi, Enrico Santamato