TU Graz Researchers Develop Portable UV Dual-Comb Spectrometer for Real-Time Formaldehyde Detection

Researchers at the Graz University of Technology (TU Graz) have developed a mobile ultraviolet (UV) dual-comb spectrometer capable of measuring gaseous air pollutants with high precision. Led by physicist Birgitta Schultze-Bernhardt, the team designed the device to detect trace amounts of chemical compounds, specifically targeting formaldehyde, in real-time.

The spectrometer utilizes dual-comb technology to identify the unique spectral signatures of gases as they pass through the device. By applying ultraviolet light, the instrument distinguishes between various molecules, allowing for the detection of pollutants that are often difficult to isolate in ambient air. The research team engineered the system to be portable, enabling field measurements outside of a traditional laboratory setting. This development provides a new method for monitoring air quality and identifying specific chemical concentrations in diverse environments.

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Date: June 3, 2026

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