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A method for background light rejection in multiplexed rotational Raman spectroscopy with Fabry–Perot interferometers
Author(s) -
King Robert A.,
Smith Wm. Hayden
Publication year - 1976
Publication title -
journal of raman spectroscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.748
H-Index - 110
eISSN - 1097-4555
pISSN - 0377-0486
DOI - 10.1002/jrs.1250050405
Subject(s) - astronomical interferometer , fabry–pérot interferometer , rayleigh scattering , raman spectroscopy , optics , raman scattering , interference (communication) , interferometry , physics , materials science , laser , electrical engineering , engineering , channel (broadcasting)
The feasibility of using Fabry–Perot interferometers in the remote sensing of gaseous pollutants via their rotational Raman spectra depends upon the development of a method of rejecting back‐scattered light arising from Mie scattering from dust, Rayleigh, and Raman scattering from the abundant gases in the region being observed. We present measurements of the rejection of Rayleigh and rotational Raman light using Fabry–Perot interferometers in reflection to demonstrate a method of reducing background interference by more than two orders‐of‐magnitude.