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High-reflectivity metasurfaces for cavity experiments

High-reflectivity metasurfaces for cavity experiments

(Salary Scale 13 TV-L, 75 %)

High-reflectivity metasurfaces are a promising platform for reaching new optical precision experiments regimes such as ultra-stable laser cavities for optical clocks, gravitational wave detectors, and micro-optomechanical devices. To fully exploit the potential of these nanostructured surfaces the characterization and mitigation of optical losses is necessary. In the framework of the PhD project, metamirrors will be investigated regarding their ultimate reflectivity. Therefore, optical losses and their origins in the fabrication process will be studied. The results will be utilized to optimize the mirror design.

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