Patents by Inventor Stefan Spierkermann

Stefan Spierkermann 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).

  • Optical frequency mixing
    Publication number: 20040125834
    Abstract: A method of generating coherent radiation wherein a first fundamental beam of radiation from a four level laser and a second fundamental beam of radiation from a three level laser are mixed in a non-linear body, to obtain an output beam at the sum frequency of the two fundamental beams. The invention also relates to an arrangement for carrying out the method.
    Type: Application
    Filed: February 6, 2004
    Publication date: July 1, 2004
    Inventors: Stefan Spierkermann, Katrin Ekvall, Hakan Karlsson