URL: https://physikseminar.desy.de/hamburg/colloquia_in_2023/14_november_2023/@@siteview
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Lowest loss mechanical oscillators for fundamental and applied sensing
Christoph Reinhardt (DESY)
Auditorium (DESY Hamburg) and Zoom, 16:00h
Recent years have seen a rapid improvement in the performance of mechanical membrane oscillators. As a result, these devices become increasingly sensitive to external forces. After providing a brief overview on the development of these highly-engineered chip-scale mechanical sensors, I will focus on two exciting future applications. First, high-frequency gravitational wave detection at yet unexplored frequencies around 100 kHz, which requires coupling a membrane to a laser field. Second, wide-range gas pressure sensing, where the calibration can be directly derived from the mechanical properties of the membrane. These recent concepts are also a prime example of synergies between fundamental and applied science.
This is a hybrid colloquium.
Connection details at https://desy.zoom.us/j/99616528733
Meeting ID: 996 1652 8733
Meeting Password: 733220
