Greenhouse Gas, isotope and trace gas analyzers: LGR, Los Gatos Research develops instrumentation based on cavity enhanced laser absorption spectroscopy for real-time measurements of trace gases, isotopes, pollutants and fluxes. LGR products include analyzers for rapid, accurate measurements of critical greenhouse gases (GHG) and pollutants (including methane, carbon dioxide, nitrous oxide, carbon monoxide) and isotope ratios in liquid water and in gas samples.