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calorimeter

calorimeter

A device that measures the total energy of a neutral particle, a charged particle or an electromagnetic wave through absorption. An XES device equipped with a "calorimeter" provides a high energy resolution (~10 eV (recent highest data is 4.5 eV)). However, the calorimeter needs liquid helium (He), resulting into large in size. The solid angle of signal acquisition for the calorimeter is ten times or much smaller than EDS. Thus, the calorimeter is used for SEM but not for TEM.

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