Vector beam generator using a passively phase stable optical interferometer Grant US-7599069-B2 United States of America 06 Oct 2009
Polarization-selectively blazed, diffractive optical element Application US-7408712-B2 United States of America 05 Aug 2008
Ellipsometry methods and apparatus using solid immersion tunneling Grant US-6934024-B2 United States of America 23 Aug 2005