Correction of wave-front retrieval errors caused by the imperfect collimation of reference beam in phase-shifting interferometry

5Citations
Citations of this article
6Readers
Mendeley users who have this article in their library.

Abstract

In phase-shifting interferometry (PSI) the standard wave retrieval formulae are usually derived based on the condition of a plane reference beam normal to the recording plane. In practice, however, the reference wave may be a spherical wave of large radius or even have a slight inclination at the same time due to the imperfect collimation and coaxality of the optical system, and this fact will introduce phase distortion for the reconstructed object wave-front. A simple digital processing algorithm without any additional measurements is proposed to determine the unknown parameters of the spherical reference wave and then correct the object wave errors reconstructed with standard wave retrieval formulae. The effectiveness of this method is verified by a series of computer simulations, and its limitation is also discussed. © 2013 Elsevier GmbH.

Cite

CITATION STYLE

APA

Yan, R. S., Cai, L. Z., & Meng, X. F. (2014). Correction of wave-front retrieval errors caused by the imperfect collimation of reference beam in phase-shifting interferometry. Optik, 125(2), 601–605. https://doi.org/10.1016/j.ijleo.2012.05.054

Register to see more suggestions

Mendeley helps you to discover research relevant for your work.

Already have an account?

Save time finding and organizing research with Mendeley

Sign up for free