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Quantitative detection and compensation of phase-shifting error in two-step phase-shifting digital holography

Authors
Journal
Optics Communications
0030-4018
Publisher
Elsevier
Publication Date
Volume
282
Issue
14
Identifiers
DOI: 10.1016/j.optcom.2009.04.025
Keywords
  • Phase-Shifting Digital Holography
  • Phase-Shifting Error
  • Quantitative Detection
  • Quantitative Compensation
Disciplines
  • Computer Science

Abstract

Abstract Phase-shifting digital holographic technique is a powerful tool for the measurement of various physical parameters, such as object deformation and liquid or cell’s refractive index change. However, for an accurate measurement, phase-shifting error in the reference wave path is still a major issue. In this paper, three novel and simple algorithms are proposed to quantitatively detect and correct phase-shifting error for a pure phase object in two-step phase-shifting digital holography. Influence of phase-shifting error is illustrated, and the effectiveness of the proposed algorithms is demonstrated by numerical simulation results.

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