Temporal demodulation of fringe patterns using continuous phase curvature constraint

J. C. Estrada; A. Sanchez; M. Servín

doi:10.1117/12.679204

14 August 2006 Temporal demodulation of fringe patterns using continuous phase curvature constraint

J. C. Estrada, A. Sanchez, M. Servín

Proceedings Volume 6292, Interferometry XIII: Techniques and Analysis; 62921G (2006) https://doi.org/10.1117/12.679204
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

In this work we present a sequential technique for temporal fringe pattern demodulation without carrier. The technique presented here, uses a temporal frequency estimator to obtain the temporal phase from a interferogram sequence. The restriction used to estimate the frequency is based on second order potentials in order to obtain the temporal phase as a phase function in an space C². The importance of this technique to demodulate temporal fringe patterns without carrier is mainly the simplification of experimental optical arrays in laboratory, where the experimental nature make it difficult to introduce a carrier frequency. This work present an on development technique for temporal demodulation, however, its projection on future work give us the possibility to obtain a robust demodulation method for temporal interferograms. To demonstrate the performance of this temporal fringe pattern demodulation technique, we are going to show a simulated interferogram sequence to demodulate it with this technique.

Citation Download Citation

J. C. Estrada, A. Sanchez, and M. Servín "Temporal demodulation of fringe patterns using continuous phase curvature constraint", Proc. SPIE 6292, Interferometry XIII: Techniques and Analysis, 62921G (14 August 2006); https://doi.org/10.1117/12.679204

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available