University of Warwick breakthrough in terahertz imaging enables real-time non-invasive medical diagnostics

New fiber-coupled terahertz system from University of Warwick is 5x faster, allowing for non-invasive, real-time medical imaging in handheld devices.

By: AXL Media

Published: Mar 21, 2026, 5:46 AM EDT

Source: Information for this report was sourced from University of Warwick

A Leap Forward in Non-Ionizing Medical Imaging

Terahertz waves, situated between microwaves and infrared light on the electromagnetic spectrum, have long held promise for medical diagnostics due to their non-ionizing nature. Unlike X-rays, these waves do not pose radiation risks to patients while remains highly sensitive to water content, a key marker for identifying diseased tissue. According to Professor Emma MacPherson from the University of Warwick, the primary barrier to clinical adoption has been the bulky and slow nature of existing systems. A new study published in Nature Communications details a fiber-coupled breakthrough that transforms this laboratory tool into a practical, high-speed clinical device.

Overcoming the Speed and Portability Barrier

The Warwick team has successfully developed a streamlined, fiber-based architecture that achieves a spatial resolution of approximately 360 µm. This new system operates more than five times faster than previous iterations, reaching near video-rate imaging speeds. This level of efficiency is critical for real-world medical environments where rapid data acquisition is necessary to inform surgical or diagnostic decisions. By utilizing fiber coupling, the researchers have managed to create a flexible and compact platform that could eventually be integrated into handheld scanners or robotic surgical arms.

Distinguishing Biological Tissues in Real Time

In proof-of-concept trials, the fiber-coupled system demonstrated an impressive ability to differentiate between various types of biological matter. Using pig samples, the researchers successfully mapped the boundaries between fat and protein, illustrating the sensitivity of the terahertz waves to subtle physiological differences. Furthermore, the team captured real-time images of a wound on a human volunteer’s arm, proving that the technology is stable enough for use on living patients outside of a strictly controlled laboratory setting.