News : Technological challenges

In recent years, the infrared imaging market has trended towards pixel size reduction. Interpixel crosstalk is a major limitation of small pitch devices, as it reduces the image resolution via the degradation of the modulation transfer function. The aim of this thesis is to study and fabricate pixel-level microoptics capable of reducing the crosstalk. The […] >>

Power grid is the heart of recent concerns due to climate, economic and geostrategic risks. If the safety and performance of these systems are essential subjects to study, the resilience of energy systems to cyber-attacks is an issue that cannot be ignored. Indeed, energy systems are now the target of computer attacks carried out by […] >>

Bipolar disorder is a chronic adult psychiatric disorder affecting between 0.5 and 1% of the population, with many unmet medical needs in terms of treatment. In this context, CEA-LETI’s Laboratory of Systems for the Person (LS2P) proposes to address the crucial challenge of monitoring patients in ambulatory or home conditions; The objective of the thesis […] >>

Photoplethysmography (PPG) is a non-invasive optical technique for detecting temporal variations in blood volume in tissues. PPG is used to monitor physiological parameters such as heart rate, pulse oximetry and blood pressure. PPG is a widely used method in physiological measurement systems, whether for consumer connected objects (smart watches, smartphones) or medical systems (oximeters). Even […] >>

The identification of bacterial species is an important issue in the context of health risk assessment, but is often insufficient. but often insufficient. Indeed, the presence of VNC (Viable Non-Cultivable) bacteria poses a problem because they cannot be detected by classical microbiological techniques, which are based on techniques, which are based on the culture of […] >>