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:
Feb. 17, 2009
Filed:
Sep. 27, 2004
Applicants:
Shih-yuan Wang, Palo Alto, CA (US);
M. Saif Islam, Mountain View, CA (US);
Alex Bratkovski, Mountain View, CA (US);
Ray Beausoleil, Redmond, OR (US);
Inventors:
Shih-Yuan Wang, Palo Alto, CA (US);
M. Saif Islam, Mountain View, CA (US);
Alex Bratkovski, Mountain View, CA (US);
Ray Beausoleil, Redmond, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/00 (2006.01); G01B 9/02 (2006.01); H04B 10/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sensor apparatus includes a laser optically coupled to a photonic crystal structure configured to provide an evanescent field through a sensed medium region such that the photonic crystal structure functions as a cavity/resonator for the laser.