Zapping a nanoliter of water with an intense pulse of terahertz radiation can raise its temperature by up to 600 kelvin in a picosecond. The method, which has been validated by a computer simulation but not yet in the lab, could prove useful in studies of chemical reactions. For example, you could have a sample of molecules that dont react with each other when the surrounding water is just above freezing. A zap of THz radiation would act like a starting gun and set the reaction going while other probes watched for chemical and structural changes.
Posted on: Mon, 16 Dec 2013 16:26:46 +0000
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