Phase Estimation in Optical Interferometry

Pramod Rastogi, Erwin Hack

November 21, 2014 by CRC Press
Reference - 366 Pages - 17 Color & 305 B/W Illustrations
ISBN 9781466598317 - CAT# K20882


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  • Discusses important aspects that must be taken into account in both spatial and temporal phase measurements
  • Covers a range of algorithms, including the vortex operator, phase-unwrapping, linear phase-stepping, Carré-type, and single-frame algorithms
  • Compares the performance and limitations of various approaches
  • Explains how the spiral phase transform allows retrieving phase from fringe patterns containing closed fringes
  • Describes how to minimize several systematic and random errors that arise during phase measurements


Phase Estimation in Optical Interferometry covers the essentials of phase-stepping algorithms used in interferometry and pseudointerferometric techniques. It presents the basic concepts and mathematics needed for understanding the phase estimation methods in use today.

The first four chapters focus on phase retrieval from image transforms using a single frame. The next several chapters examine the local environment of a fringe pattern, give a broad picture of the phase estimation approach based on local polynomial phase modeling, cover temporal high-resolution phase evaluation methods, and present methods of phase unwrapping. The final chapter discusses experimental imperfections that are liable to adversely influence the accuracy of phase measurements.

Responding to the push for the deployment of novel technologies and fast-evolving techniques, this book provides a framework for understanding various modern phase estimation methods. It also helps readers get a comparative view of the performance and limitations of the approaches.