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4 Results Found

  • Article
  • Open Access
1 Citations
4,343 Views
18 Pages

A Comparison of Different Counting Methods for a Holographic Particle Counter: Designs, Validations and Results

  • Georg Brunnhofer,
  • Isabella Hinterleitner,
  • Alexander Bergmann and
  • Martin Kraft

25 May 2020

Digital Inline Holography (DIH) is used in many fields of Three-Dimensional (3D) imaging to locate micro or nano-particles in a volume and determine their size, shape or trajectories. A variety of different wavefront reconstruction approaches have be...

  • Proceeding Paper
  • Open Access
4 Citations
2,128 Views
5 Pages

Modelling a Holographic Particle Counter

  • Georg Brunnhofer and
  • Alexander Bergmann

30 November 2018

In order to design an imaging unit of a novel holographic particle counter an aerosol particle model was developed to generate a virtual hologram plane of an aerosol volume of interest. The herein presented model combines the three essential componen...

  • Article
  • Open Access
11 Citations
5,831 Views
19 Pages

Design and Validation of a Holographic Particle Counter

  • Georg Brunnhofer,
  • Alexander Bergmann,
  • Andreas Klug and
  • Martin Kraft

9 November 2019

An in-line holographic particle counter concept is presented and validated where multiple micrometer sized particles are detected in a three dimensional sampling volume, all at once. The proposed Particle Imaging Unit is capable of detecting hologram...

  • Article
  • Open Access
18 Citations
5,273 Views
12 Pages

High-Precision Lensless Microscope on a Chip Based on In-Line Holographic Imaging

  • Xiwei Huang,
  • Yangbo Li,
  • Xuefeng Xu,
  • Renjie Wang,
  • Jiangfan Yao,
  • Wentao Han,
  • Maoyu Wei,
  • Jin Chen,
  • Weipeng Xuan and
  • Lingling Sun

21 January 2021

The lensless on-chip microscope is an emerging technology in the recent decade that can realize the imaging and analysis of biological samples with a wide field-of-view without huge optical devices and any lenses. Because of its small size, low cost,...