Figure 1
From: Radiation pressure measurement using a macroscopic oscillator in an ambient environment
The experimental setup consists of three main parts shown in the left panel: the mechanical oscillator, the diode laser driving the oscillator, and the Michelson interferometer. The right panel focuses on the vertically hanging mechanical oscillator. The mechanical oscillator is driven by a modulated laser beam at 975 nm through the reflection from the highly reflective oscillator mirror 1. The nanoscale oscillation is detected through the oscillator mirror 2 by the Michelson interferometer using the He–Ne laser at 632.8 nm. The motorized mirror below the oscillator is used for the remote tuning of the interference fringe spacing, but it is not actively controlled during the measurements. The illustration includes the damper fibers that are used for increasing the damping constant of the higher damping oscillator. The apparatuses are mounted on an actively damped optical table for isolating the setup from external acoustic and seismic vibrations. The oscillator part of the setup is also protected with plastic walls not shown in this illustration. A more complete description of the experiment is presented in the “Methods” section. (Image created by using Blender 2.8, https://www.blender.org/, and Inkscape 0.92, https://inkscape.org/).
