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Collaborating researchers from Princeton University and the U.S. Naval Research Laboratory demonstrated gas sensor technology capable of detecting very low concentrations of methane gas, at levels as low as 0.1 ppm (parts per million). Methane emission and leaks, detrimental to air quality and a contributor to global warming, are consequential to numerous industries and applications. Agriculture, waste/waste management, and the oil and gas industries are among those that consistently need to detect quantities of methane gas.
The newly developed sensor uses an interband-cascade light-emitting device (ICLED), a higher-power LED that emits at mid-IR wavelengths, meaning that it can be used to measure many chemicals. The…READ MORE