Summary: Methane measurements have reached new levels of precision with the development of a spectrometer capable of decoding the intricacies of infrared light. At the heart of this advancement is a GaGe digitizer, a critical component enabling rapid switching between two specific wavelengths. This innovative approach effectively reduces noise interference stemming from temperature and frequency fluctuations, a common challenge in such measurements.

Researchers have achieved remarkable accuracy in determining methane isotope ratios by harnessing the power of optically switched dual-wavelength cavity ring-down spectroscopy (OSDW-CRDS). This breakthrough opens doors to a deeper understanding of methane’s role in climate change, atmospheric chemistry, and other scientific domains.

View the complete article at ACS Publications (paywall).