Kissinger, ThomasWiseman, Kieran B.Tatam, Ralph P.2021-07-212021-07-212021-06-10Kissinger T, Wiseman KB, Tatam RP. (2021) Highly linear, compact and cost-effective sensor probes for displacement measurements using range-resolved interferometry. In: 21st International Conference of the European Society for Precision Engineering and Nanotechnology (EUSPEN), 7-10 June 2021, Virtual Eventhttps://www.euspen.eu/events/21st-ice-virtual/http://dspace.lib.cranfield.ac.uk/handle/1826/16904We demonstrate a novel approach for interferometric displacement and vibration sensing using range-resolved interferometry (RRI). The concept exploits the ability of RRI to reject the signal contributions due to multiple reflections that would otherwise lead to high levels of periodic non-linearity errors, allowing the use of very compact and cost-effective sensor heads based on gradient index (GRIN) lenses, with the presented approach thought to be widely applicable across many precision engineering applications.enAttribution-NonCommercial 4.0 Internationalhttp://creativecommons.org/licenses/by-nc/4.0/Conference paper