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:
Jun. 12, 2012
Filed:
Nov. 12, 2009
Applicants:
Seng-tiong Ho, Wheeling, IL (US);
Yingyan Huang, Wilmette, IL (US);
Inventors:
Seng-Tiong Ho, Wheeling, IL (US);
Yingyan Huang, Wilmette, IL (US);
Assignee:
Optonet Inc., Evanston, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 3/14 (2006.01); C03C 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical tip for a Near-field Scanning Optical Microscope (NSOM) is provided. The optical tip includes a waveguide with a semiconductor or metal core and a cladding. The refractive-index-square-ratio contrast between the core and the cladding is at least 0.3. The optical tip may also include a light detector and a light source. The waveguide, the light source and the light detector may be integrated to form a single chip.