Wavefront imaging by using an inline holographic microscopy system based on a double-sideband filter

Haolin Zhang, Freddy A. Monroy-Ramírez, Angel Lizana, Claudio Iemmi, Noureddine Bennis, Przemysław Morawiak, Wiktor Piecek, Juan Campos

Research output: Contribution to journalArticleResearch

3 Citations (Scopus)

Abstract

© 2018 Elsevier Ltd In this letter, we propose an inline holographic microscopy (ILHM) system, based on the double-sideband technique (DST), for wavefront imaging. The presented optical system shows all the benefits of the previously reported DST (instantaneous removing of ghost images in an inline scheme) but adapted to a microscopic system. The double-sideband filter is implemented by using a transparent liquid crystal (LC) bi-pixel device. Specifically, by addressing the proper phase values to each half of the LC bi-panel, which is located at the Fourier plane of the holographic system, the conjugate image is removed. What is more, by using a high numerical aperture microscope objective, we achieved the microscopic wavefront holography imaging. Finally, the feasibility of the proposed system is testified by obtaining holographic wavefront images of different objects.
Original languageEnglish
Pages (from-to)71-76
JournalOptics and Lasers in Engineering
Volume113
DOIs
Publication statusPublished - 1 Feb 2019

Keywords

  • Fourier optics
  • Holography
  • Liquid crystals
  • Microscopy
  • Wavefront sensing

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