29 citations · 114 across the 8 of their papers we have counts for
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physics.optics2011★ 29 cited
Interferometer readout-noise below the Standard Quantum Limit of a membrane
Tobias Westphal, Daniel Friedrich, Henning Kaufer +7
Here we report on the realization of a Michelson-Sagnac interferometer whose purpose is the precise characterization of the motion of membranes showing significant light transmissi…
physics.optics2011★ 27 cited
Laser interferometry with translucent and absorbing mechanical oscillators
D. Friedrich, H. Kaufer, T. Westphal +7
The sensitivity of laser interferometers can be pushed into regimes that enable the direct observation of quantum behaviour of mechanical oscillators. In the past, membranes with s…