Fundamental design principles for reflective membranes in thermal noise limited cavities

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Fundamental design principles for reflective membranes in thermal noise limited cavities

Abstract (2019)

Author(s)

Johannes Dickmann (Physikalisch-Technische Bundesanstalt)

Jan Meyer (Technische Universitat Braunschweig)

Tim Kaseberg (Physikalisch-Technische Bundesanstalt)

Florian F. Bruns (Physikalisch-Technische Bundesanstalt)

Richard Norte (TU Delft - Mechanical Engineering, TU Delft - Applied Sciences)

Peter G. Steeneken (TU Delft - Applied Sciences, TU Delft - Mechanical Engineering)

Stefanie Kroker (Physikalisch-Technische Bundesanstalt, Technische Universitat Braunschweig)

Research Group

Dynamics of Micro and Nano Systems

DOI related publication

https://doi.org/10.1109/CLEOE-EQEC.2019.8873151 Final published version

To reference this document use

https://resolver.tudelft.nl/uuid:f6fae28d-2026-4add-a283-f9aa5d963ddb

More Info

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Publication Year

2019

Language

English

Research Group

Dynamics of Micro and Nano Systems

Event

2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019 (2019-06-23 - 2019-06-27), Munich, Germany

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Abstract

Brownian thermal noise is a severe limitation for the sensitivity of many optomechanical high-precision measurement systems. To push the sensitivity limit it is essential to quantify how device geometry and material properties affect thermal noise. As an important building block for optomechanical experiments, we present the analytical calculation of Brownian thermal noise of circular clamped reflective membranes in Fabry Perot cavities. To compute the thermal noise, we investigate the influence of the effective membrane position x (compare Fig. 1(a)) to the eigenfrequency of the cavity.