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Techniques & Tools Spectroscopy

Breaking Records in Gas Detection

A new spectroscopy approach to trace gaseous impurity detection promises unparalleled sensitivity

Matthew Hallam | | Quick Read

Work using nonlinear optics (nonlinear optical frequency conversion) in Teemu's lab, showing similar principles used in his thesis. Courtesy of Teemu Tomburg.

Some gaseous impurities can be harmful or indicative of faulty production processes, meaning detection at even trace levels is crucial. A novel interferometric method for background-free broadband absorption spectra measurement and cantilever-enhanced photoacoustic spectroscopy is breaking records in this realm.

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Techniques & Tools Spectroscopy

About the Author

Matthew Hallam

I've always wanted a job that fosters creativity - even when I worked on the assembly line in a fish factory. Outside work, I satisfy this need by writing questionable fiction. The venture into science writing was an unexpected departure from this fiction, but I'm truly grateful for the opportunity to combine my creative side with my scientific mind as Editor of The Analytical Scientist.

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