Search Menu
Photonics Media Photonics Buyers' Guide Photonics EDU Photonics Spectra BioPhotonics EuroPhotonics Industrial Photonics Photonics Showcase Photonics ProdSpec Photonics Handbook
More News
Photonics Dictionary

Newton's rings

The series of rings or bands formed when light beams reflected from two polished, adjacent surfaces, placed together with a thin film of air between them, interfere. By counting these bands from the point of actual contact, the departure of one surface from the other is determined. The regularity of the fringes maps out the regularity of the distance between the two surfaces. This method usually is used to determine the fit of a surface under test to a standard surface of a test glass.
Terms & Conditions Privacy Policy About Us Contact Us
back to top

Facebook Twitter Instagram LinkedIn YouTube RSS
©2018 Photonics Media
x We deliver – right to your inbox. Subscribe FREE to our newsletters.