title: Note: A robust low-cost high-sensitivity subangstrom bidirectional displacement sensor.
authors.affiliation: Theta Technologies Ltd., The Innovation Centre, University of Exeter, Exeter EX4 4RN, England.
authors.forename: P R
authors.initials: PR
authors.lastname: Armitage
authors.forename: C D
authors.initials: CD
authors.lastname: Wright
mesh_terms: D055615:Electrical Equipment and Supplies / Q000191:economics*; D006046:Gold; D007368:Interferometry; D009038:Motion
chemical_list: D006046:Gold