Terahertz (THz) radiation fills in the gap between high-frequency microwaves and low-frequency infrared radiation. In the 1990s, optical generation and detection of this radiation was a true gamechanger by opening up this last undiscovered part of the electromagnetic spectrum. Applications in fields such as the agriculture, food, industrial, medical sectors were then possible to explore. Recent work on agriculture produces have shown that THz spectroscopy allows to determine non-destructively and without contact the moisture content of leaves to evaluate plant well-being. For food produces, first evidence is reported about the identification of key components such as edible oils, moisture and sugars. For many applications, however, a real impact of the technology is hampered by the surrounding liquid, the absence of adequate signal processing schemes and importantly the large form factor and costs. The ultimate challenge for designing a THz-based sensor in these sectors is thus to uniquely identify targeted species of industrial or societal interest in a complex biomolecular system with a small and affordable THz spectroscopic system.
The project has the goal to first study the opportunities of THz spectroscopy and imaging in the field of agriculture and food. The research of the candidate will focus on the study of a particular societally relevant problem selected in either the agriculture and/or food domain, where THz technology can make a true difference as compared to the state-of-the art. The candidate will need to design a dedicated measurement setup, perform experiments autonomously and in collaboration with e.g. agriculture universities, food institutes, and develop signal processing algorithms. The latter ones may include analysis based on chemical and physical interactions, complemented with contemporary AI principles. Eventually, the candidate will design an integrated sensing solution which should meet the requirements of the end user. Hereto, collaborations with the Wageningen University & Research are foreseen.
We welcome applications from candidates with a MSc degree or equivalent in physics and electrical engineering. For this project, condensed matter physics, optics and electromagnetics are relevant assets, (Python) programming is advantageous.
Do you recognize yourself in this profile and would you like to know more? Please contact
dr. Dook van Mechelen, j.l.m.v.mechelen[at]tue.nl
For information about terms of employment, click here or contact HRServices.flux[at]tue.nl
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