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:
Oct. 14, 2025
Filed:
Mar. 31, 2023
Applicant:
Imra America, Inc., Ann Arbor, MI (US);
Inventors:
Antoine Jean Gilbert Rolland, Longmont, CO (US);
James Greenberg, Boulder, CO (US);
Brendan Heffernan, Boulder, CO (US);
Rubab Amin, Longmont, CO (US);
Assignee:
IMRA America, Inc., Ann Arbor, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/35 (2014.01); G01N 21/3504 (2014.01); G01N 21/3581 (2014.01);
U.S. Cl.
CPC ...
G01N 21/3581 (2013.01); G01N 21/3504 (2013.01); G01N 2201/0612 (2013.01);
Abstract
A photonic millimeter-wave oscillator is based on a heterodyne beatnote of two continuous wave lasers and is configured to provide a narrow linewidth output when the frequency difference is disciplined with rotational spectroscopy of molecules using frequency modulation spectroscopy.