Patents by Inventor Alexander S. Raspopin

Alexander S. Raspopin 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).

  • Frequency selective terahertz radiation detector
    Patent number: 7170085
    Abstract: The present invention provides a device for frequency-selective detection of electromagnetic radiation in the terahertz region of the electromagnetic spectrum using a lateral semiconductor superlattice, a metal antenna attached to the lateral semiconductor superlattice; and a resonator comprising two mirrors and a substrate. A method for detecting electromagnetic radiation using the device is also provided.
    Type: Grant
    Filed: August 17, 2004
    Date of Patent: January 30, 2007
    Assignee: Stevens Institute of Technology
    Inventors: Alexander S. Raspopin, Hong-Liang Cui