A compact terahertz radiation source was recently created by researchers and could help make public spaces safer. It could help detect explosives, chemical agents and dangerous biological substances.

Manijeh Razeghi, Walter P. Murphy Professor of Electrical Engineering and Computer Science at Northwestern University's McCormick School of Engineering and Applied Science, said that a single-component solution capable of room temperature and widely tunable operation was highly desirable to enable next generation terahertz systems.
The device has applications in medical and deep space imaging as well as security screening.
Source-ANI
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