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:
Apr. 08, 2025
Filed:
Aug. 15, 2021
Applicant:
Picarro, Inc., Santa Clara, CA (US);
Inventors:
Alejandro Dario Farinas, Mountain View, CA (US);
John A. Hoffnagle, San Jose, CA (US);
Chris W. Rella, Sunnyvale, CA (US);
Sze Meng Tan, Santa Clara, CA (US);
Assignee:
Picarro, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J 3/433 (2006.01); G01N 21/39 (2006.01);
U.S. Cl.
CPC ...
G01J 3/4338 (2013.01); G01N 21/39 (2013.01);
Abstract
Improved cavity enhanced absorption spectroscopy is provided using a piecewise tunable laser by using a lookup table for laser tuning that is configured specifically for this application. In preferred embodiments this is done in combination with a laser control strategy that provides precise wavelength determination using cavity modes of the instrument as a reference.