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Rostock 2019 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 57: Poster: Quantum Optics and Photonics III

Q 57.18: Poster

Donnerstag, 14. März 2019, 16:15–18:15, S Fobau Physik

Modeling of thermal noise in multiscale systems for high-precision metrology — •Johannes Dickmann1, Florian Bruns2, Tim Käseberg1, Jan Meyer2, Carol Bibiana Rojas Hurtado1, Walter Dickmann2, and Stefanie Kroker1,21Physikalisch-Technische Bundesanstalt Braunschweig, Germany — 2Technische Universität Braunschweig, Germany

Thermal noise is a critical limitation in many optical high-precision metrological measurement devices like Michelson- or Fabry-Pérot interferometers. The modeling of thermal noise of the multiscale optical components like mirrors and beam splitters requires semi-analytical approaches. We present the holistic approach of computing thermal noise of optical components in interferometers. We present the results for Brownian, thermo-elastic and thermo-refractive noise. Furthermore, we briefly present the computation of carrier density induced noise of transmissive semiconductor optics.

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DPG-Physik > DPG-Verhandlungen > 2019 > Rostock