Polarization phase-shift interferometry: a simple laboratory setup
Authors: Vannoni M., Trivi M., Molesini G.
Autors Affiliation: CNR – Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy; Centro de Investigaciones Opticas, La Plata, Argentina
Abstract: An interferometry experiment is proposed, working on a Twyman-Green optical configuration. The interferogram is acquired with a digital camera and processed. Using polarization components the interferogram is phase-shifted and four different interferograms are acquired. The experiment is proposed as an introduction to modem phase-shift interferometry, using concepts and laboratory equipment at the level of undergraduate optics courses.
More Information: Sponsor(s): The State of Sao Paulo Research Foundation (FAPESP); The State University of Campinas (UNICAMP); The Physics Institute Gleb Wataghin (IFGW); The Brazilian Society of Physics (SBF); The National Council Sci. Technol. Development (CNPq)KeyWords: Demonstration experiments and apparatus; Education; Phase shifting interferometryDOI: 10.1063/1.2926856