An active seismic isolation platform for precision measurement experiments is described. Piezo actuators are used to suppress seismic noise with a feedback control bandwidth of 0.3 to 3 Hz. Suppression levels ranging from 21 to 36 dB of seismic noise within the frequency range of 0.5 to 1.3 Hz are demonstrated!

We demonstrate the ability to manipulate the optical spring (OS) effect by integrating an optical parametric amplifier (OPA) into an optical cavity

It all begins with an idea.

It all begins with an idea.