Patents by Inventor Andrei Tsarev

Andrei Tsarev 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).

  • Acousto-optical variable filter
    Publication number: 20050248826
    Abstract: An acousto-optical tunable filter, comprising planar optical waveguide (2) for propagation of light beam (14), and arranged sequentially along the path of the light radiation: a means for forming a light beam, transducer (16) of acoustic waves suited to generate acoustic wave (15) that is capable of interacting with the beam light waves and cause their diffraction within a predetermined wavelength range, and a means for selecting the diffracted portion of the light beam.
    Type: Application
    Filed: April 17, 2001
    Publication date: November 10, 2005
    Inventor: Andrei Tsarev