title: Precision measurement with visual feedback using binary phase diffractive optical elements.
abstract: A novel method for obtaining precision measurements by using two binary diffractive optical elements is presented. The system provides visual feedback of the measurement without the use of electronics.
authors.affiliation: Engineering Department, Cambridge University, Trumpington Street, Cambridge CB2 1PZ, UK. ebuckley@iee.org
authors.forename: Edward
authors.initials: E
authors.lastname: Buckley
authors.forename: Adrian
authors.initials: A
authors.lastname: Cable
authors.forename: Tim
authors.initials: T
authors.lastname: Wilkinson
authors.forename: Nic
authors.initials: N
authors.lastname: Lawrence
mesh_terms: D004867:Equipment Design; D019544:Equipment Failure Analysis; D005246:Feedback; D006696:Holography / Q000295:instrumentation*; D006801:Humans; D007089:Image Enhancement / Q000295:instrumentation* / Q000379:methods; D007368:Interferometry / Q000295:instrumentation* / Q000379:methods; D055095:Optics and Photonics / Q000295:instrumentation*; D012031:Refractometry / Q000295:instrumentation* / Q000379:methods; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D014796:Visual Perception