Erlangen 2022 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 30: Precision Measurements and Metrology II (joint session Q/A)
A 30.13: Poster
Donnerstag, 17. März 2022, 16:30–18:30, P
Proceedings on Ultrastable Cryogenic Cavities and Ring-Cavities used as Spectral Pre-Filters — •Erich Günter Leo Pape, Marc Kitzmann, and Achim Peters — Humboldt Universität zu Berlin, AG QOM, Newtonstr. 15, 12489 Berlin, Germany
Cryogenic Cavities: We present our new cryogenic sapphire cavities in order to reach relative frequency stability of 10−16 Hz/ √Hz towards a modern Michelson Morley experiment testing for possible Lorentz violations.
Filter Cavity: We present our new triangular ring cavity used as a spectral prefilter in double pass. We stabilize the cavity to a laser with a piezo ring actuator while using the tilt lock method.