The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 2009
Filed:
Jan. 26, 2007
Applicants:
Malcolm Dunn, Fife, GB;
Cameron F. Rae, Fife, GB;
Tom J. Edwards, Fife, GB;
David J. M. Stothard, Fife, GB;
David Walsh, Fife, GB;
Inventors:
Malcolm Dunn, Fife, GB;
Cameron F. Rae, Fife, GB;
Tom J. Edwards, Fife, GB;
David J. M. Stothard, Fife, GB;
David Walsh, Fife, GB;
Assignee:
The University Court of the University of St. Andrews, St. Andrews, Fife, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/35 (2006.01); G02F 2/02 (2006.01); G02B 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coating between a nonlinear crystal and a silicon prism coupler, prevents transmission of radiation scattered within the crystal by filtering out frequencies outside the silicon bandgap to avoid free carrier absorption, but transmits THz frequencies that correspond to the bandgap.