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Updated: Jul 7, 2026

Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects
Published on: February 8, 2014
Generalized in-line digital holographic technique based on intensity measurements at two different planes
Guohai Situ1, James P Ryle, Unnikrishnan Gopinathan
1School of Electrical, Electronic and Mechanical Engineering, University College Dublin, Ireland.
Abstract:
In-line digital holography based on two-intensity measurements [Zhang Opt. Lett. 29, 1787 (2004)], is modified by introducing a pi shifting in the reference phase. Such an improvement avoids the assumption that the object beam must be much weaker than the reference beam in strength and results in a simplified experimental implementation. Computer simulations and optical experiments are carried out to validate the method, which we refer to as position-phase-shifting digital holography.

