diamond optics

The work of the newly established group "Diamond / Carbon-based optical systems" aims on the fundamental understanding of the propagation of optical waves in different systems, whose material parameter and structure are based on the different macroscopic manifestations of carbon. The main goal of the research is establishing organic and inorganic carbon-based materials as optical materials in addition to the silicon-based optics dominating today, yielding eventually to various highly innovative applications in optical micro- and nanotechnolgogy.

One focus of the new research group lies in the study of optical analogies of the evolution of relativistic Dirac particles, which can be investigated, e.g. with the help of the so-called optical graphene (waveguide arrays with honeycomb structure). Another significant aspect of the work concentrates on the analysis of nano-diamonds as the main component of complex fluids. For this the group investigates different physical effects in optical nano-suspensions, such as self-focusing, filamentation and long-range forces that can be used as the basis of a number of innovative approaches, such as optical tweezers and optical acceleration of liquids. Physical consequences of superoscillations - a revolutionary non-intuitive area in quantum mechanics - and their potential for applications are in the center of further ideas of the project. Moreover, the research group examines a new type of algorithm-based subwavelength microscopy that allows the reconstruction of details much smaller than the classical diffraction limit, which are invisible in a normal optical microscope under normal circumstances.

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