Electrically charged particles can be trapped in suitable arrangements of magnetic or radio-frequency electromagnetic fields.
"A radiation dosimeter is a device that measures exposure to ionizing radiation. It has two main uses: for human radiation protection and for measurement of dose in both medical and industrial processes."
Metrology – the science of correct measurement – is an essential cornerstone of our industrialized society which is based on the division of labour. Metrology has an impact on practically every aspect of our lives, and metrological progress is a key enabler for technical development and, thus, for innovation. Given the prevailing economic and social challenges we are faced with, the role and the further development of metrology is of extraordinary importance for progress in technology and science.