A low-steering piezo-driven mirror
Abstract
We present a piezo-driven translatable mirror with excellent pointing stability, capable of driving at frequencies up to tens of kilohertz. Our system uses a tripod of piezo actuators with independently controllable drive voltages, where the ratios of the individual drive voltages are tuned to minimize residual tilting. Attached to a standard {\varnothing}= 12.7mm mirror, the system has a resonance-free mechanical bandwidth up to 51kHz, with displacements up to 2{\mu}m at 8kHz. The maximum static steering error is 5.5rad per micrometer displaced and the dynamic steering error is lower than 0.6rad/{\mu}m. This simple design should be useful for a large set of optical applications where tilt-free displacements are required, and we demonstrate its application in an ensemble of cold atoms trapped in periodically driven optical lattices.
Cite
@article{arxiv.1807.03603,
title = {A low-steering piezo-driven mirror},
author = {E. Magnan and J. Maslek and C. Bracamontes and A. Restelli and T. Boulier and J. V. Porto},
journal= {arXiv preprint arXiv:1807.03603},
year = {2018}
}