Patents by Inventor Jun Mo Han

Jun Mo Han 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).

  • Apparatus for writing Bragg gratings and reflection unit used in the apparatus
    Patent number: 7269315
    Abstract: Provided is an apparatus for writing Bragg gratings and a reflection unit used in the same capable of readily adjusting an incident angle of light radiated from a light source, in order to write Bragg gratings on a target object such as an optical fiber. In accordance with the present invention, it is possible to readily adjust the incident angle of light introduced into the target object using the reflection unit when the position of the target object changes or an interval between the Bragg gratings is adjusted.
    Type: Grant
    Filed: August 10, 2005
    Date of Patent: September 11, 2007
    Assignee: Chonnam National University
    Inventors: Jun Mo Han, Kie Gon Im, Se Jong Baik