University of Warwick Engineers Develop High-Speed Fiber-Coupled Terahertz System for Real-Time Clinical Diagnostics

University of Warwick researchers develop a compact, fiber-coupled terahertz system that enables real-time, non-invasive tissue imaging for clinical use.

By: AXL Media

Published: Mar 23, 2026, 5:38 AM EDT

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

Bridging the Spectrum Between Microwaves and Infrared

Scientists have successfully harnessed the unique properties of terahertz waves to create a medical imaging system that offers the depth of traditional scans without the risks of radiation. Terahertz waves occupy a specific niche on the electromagnetic spectrum, sitting between microwaves and infrared light, making them entirely non-ionizing. This characteristic ensures that patients can undergo repeated imaging of skin lesions or wounds without the cellular damage associated with X-rays. Because these waves are exceptionally sensitive to water content, they provide a high-contrast map that easily distinguishes between healthy, hydrated tissue and diseased areas.

Overcoming the Traditional Barriers of Bulk and Speed

Historically, the adoption of terahertz technology in hospitals has been stifled by the massive size of the equipment and agonizingly slow data acquisition speeds. Most existing systems required specialist laboratory environments and long wait times to produce a single usable image. The Warwick team has effectively dismantled these barriers by developing a streamlined, fiber-based architecture. This new design delivers spatial resolution of approximately 360 µm while operating more than five times faster than any current state-of-the-art alternative. This leap in performance brings the technology to near video-rate imaging, allowing for the fluid observation of biological processes.

The Versatility of a Fully Fiber-Coupled Platform

The most significant engineering feat of the Warwick study is the move toward a fully fiber-coupled system, which grants the device unprecedented flexibility. Professor Emma MacPherson noted that this fiber integration allows the system to be shrunk into a compact, handheld form factor. This portability means the technology is no longer tethered to a fixed station, allowing it to be maneuvered around a patient's body with ease. Furthermore, the design is specifically tailored for integration with robotic surgical tools, potentially providing surgeons with real-time, high-resolution visual data during delicate operations where margin precision is critical.