SPECTROSCOPIC DEVICES, SYSTEMS, AND METHODS FOR OPTICAL SENSING OF MOLECULAR SPECIES Application EP-3870953-A4 European Patent Office 02 Nov 2022
METHOD AND ARRANGEMENT FOR RELATIVE REFERENCING OF A TARGET GAS IN AN OPTICAL MEASURING… Application EP-3633352-A1 European Patent Office 08 Apr 2020
Multi-harmonic inline reference cell for optical trace gas sensing Grant US-8970842-B2 United States of America 03 Mar 2015