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Professor Grant Ritchie's research focuses on ultrasensitive absorption spectroscopy and optical manipulation within the field of Chemistry. His work on mid-infrared spectroscopy (2.5-10 μm) delves into the strong fundamental ro-vibrational molecular transitions that are crucial for trace gas analysis and applications in environmental and medical monitoring. Ritchie emphasizes the significance of fundamental vibrational bands that are active in this region due to their stronger line strengths compared to the overtone and combination bands typically exploited in the visible and near-infrared ranges. He is particularly interested in the 3 μm region, which is important due to the strong vibrational bands associated with C-H, N-H, and O-H stretches. His applications often involve collaborations with various departments at the University of Oxford to develop sensitive breath analysers based on absorption spectroscopy. His optical trapping research is grounded in experimental techniques such as optical tweezing and evanescent wave optical manipulation, aimed at studying colloidal crystal formation and analogues of nanocrystal growth.
Department of Politics and International Relations - Higher Level English requirement.