To enable high resolution terahertz imaging, the researchers used a digital micromirrordevice to project laser light onto a silicon wafer in a specific pattern. When a terahertz beam passes through the wafer, a computer can reconstruct an image of the object based on the pattern of terahertz light detected. The inset shows an optical image of the test target (gold pinwheel) on a 6-mm thick silicon wafer. Credit: Rayko Stantchev, University of Exeter
Researchers show that subwavelength terahertz imaging works with methods that accelerate imaging speed
WASHINGTON--(BUSINESS WIRE)--Researchers have developed a new terahertz imaging approach that, for the first time, can acquire micron-scale resolution images while retaining computational approaches designed to speed up image acquisition. This combination could allow terahertz imaging to be useful for detecting early-stage skin cancer without requiring a tissue biopsy from the patient.