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:
Mar. 21, 2017
Filed:
Mar. 13, 2014
R. Andrew Mcgill, Lorton, VA (US);
Robert Furstenberg, Largo, MD (US);
Viet K. Nguyen, Gaithersburg, MD (US);
Chris Kendziora, Burke, VA (US);
Michael Papantonakis, Washington, DC (US);
Todd H. Stievater, Arlington, VA (US);
R. Andrew McGill, Lorton, VA (US);
Robert Furstenberg, Largo, MD (US);
Viet K. Nguyen, Gaithersburg, MD (US);
Chris Kendziora, Burke, VA (US);
Michael Papantonakis, Washington, DC (US);
Todd H. Stievater, Arlington, VA (US);
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Abstract
A chemical detector for rapid, simultaneous detection of multiple chemicals including chemical warfare agents, toxic industrial chemicals, and explosives having one or more gas chromatography columns each with a chemosorbent or a chemo-reactive stationary phase and an infrared-transparent base, a bright infrared light source, a mechanism to direct the light source to any point along any of the columns, and an infrared sensor. Another disclosed detector has one or more gas chromatography columns each on the surface of a substrate having at least one infrared-transparent waveguide pattern, a bright infrared light source, and at least one ring resonator for each column, where each ring resonator is coated with a chemosorbent or a chemo-reactive stationary phase, and where each ring resonator spectroscopically probes the stationary phase. Also disclosed are the related methods for chemical detection.