Phys.org -
24 Oct 2016 18:01

As humans, we sniff out different scents and aromas using chemical receptors in our noses. In technological gas detection, however, there are a whole host of other methods available. One such method is to use infrared lasers, passing a laser beam through the gas to an adjacent separate detector, which measures the degree of light attenuation it causes. TU Wien's tiny new sensor now brings together both sides within a single component, making it possible to use the same microscopic structure for ...
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