Fundamental Research in Light-Matter Interaction
Fundamental research in light-matter interaction explores the fundamental principles governing the interaction between light and matter at the atomic and molecular levels. This encompasses investigations into the behaviour of photons and their interactions with various materials, ranging from atoms and molecules to nanostructures and bulk materials. In PhotoMedicine Labs we strive to understand the underlying mechanisms that govern how light interacts with matter, including absorption, scattering, emission, and nonlinear optical phenomena. By studying these interactions, we aim to uncover the fundamental physical processes and develop theoretical and experimental models to describe and predict the behaviour of light and matter.
One of our main research focuses on the investigation of the fundamental physics underlying the mechanism of photon absorption remote sensing (PARS) microscopy (AKA Photoacoustic remote sensing). PARS is a powerful technique that combines principles from both optics and acoustics to probe and analyze various materials and biological tissues. By utilizing laser-induced ultrasound waves, this non-invasive imaging modality provides valuable information about the mechanical properties of the target material. In our study, we aim to delve into the underlying physics to gain a deeper understanding of the mechanisms in PARS microscopy. We explore the interaction of laser pulses with materials, leading to the generation of ultrasound pressure through the photoacoustic effect. This project opens a new path towards developing advanced imaging techniques, optical diagnostics, and therapeutics for applications in clinical setting as well as medical and biological research.