公开(公告)号：US20230333012A1

公开(公告)日：2023-10-19

申请号：US18193954

申请日：2023-03-31

Applicant: IMRA America, Inc.

Inventor： Antoine Jean Gilbert Rolland ,  James Greenberg ,  Brendan Heffernan ,  Rubab Amin

IPC: G01N21/3581 ,  G01N21/3504

CPC classification number: G01N21/3581 ,  G01N21/3504 ,  G01N2201/0612

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.