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Security Detection Device Features Stable THz Source

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A security detection device based on a terahertz source has overcome the size, complexity and cost typical of terahertz devices. The device, which detects explosives, chemical agents and dangerous biological substances from safe distances, could make public spaces more secure. "A single-component solution capable of room temperature continuous wave and widely frequency tunable operation is highly desirable to enable next generation terahertz systems," said Northwestern University professor Manijeh Razeghi. Schematic design of Razeghi's terahertz tuning source. Courtesy of...Read full article

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