Dual wavelength digital holography phase unwrapping by linear regression

Alexander Khmaladze, Rebecca L. Matz, Chi Zhang, Joshua Jasensky, Mark M. Banaszak Holl, Zhan Chen

Research output: Chapter in Book/Report/Conference proceedingConference PaperOther

2 Citations (Scopus)


Digital holography records the superposition of the object and reference waves. The subsequent reconstruction of both amplitude and phase of the optical field is done by numerically propagating the optical field along the direction perpendicular to the hologram plane in accordance with the laws of diffraction. Phase changes undergone by a light wave passing through or reflecting from objects can be converted to the optical thickness or height measurements, providing the three dimensional structural information about the object. Our dual wavelength phase imaging method allows three dimensional measurements of a wide variety of biological systems and microstructures.

Original languageEnglish
Title of host publicationThree-Dimensional Imaging, Visualization, and Display 2011
ISBN (Print)9780819486172
Publication statusPublished - 1 Jan 2011
Externally publishedYes
EventThree-Dimensional Imaging, Visualization, and Display 2011 - Orlando, FL, United States of America
Duration: 27 Apr 201128 Apr 2011

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X


ConferenceThree-Dimensional Imaging, Visualization, and Display 2011
CountryUnited States of America
CityOrlando, FL


  • 3D Microscopy
  • Digital Holography
  • Phase Imaging
  • Phase Unwrapping

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