ArticleScientific reports2017
Opposite-view digital holographic microscopy with autofocusing capability.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Exploiting a holographic polarization microscope for rapid autofocusing and 3D tracking.Biomedical optics express · 2020Article
- Smart filtering of phase residues in noisy wrapped holograms.Scientific reports · 2020Article
- Methamphetamine-induced apoptosis in glial cells examined under marker-free imaging modalities.Journal of biomedical optics · 2019Article
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Authors and funding
3 authors.
Funding
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Abstract
Digital holographic microscopy (DHM) has its intrinsic ability to refocusing a sample by numerically propagating an object wave from its hologram plane to its image plane. In this paper opposite-view digital holographic microscopy (OV-DHM) is demonstrated for autofocusing, namely, digitally determining the location of the image plane, and refocusing the object wave without human intervention. In OV-DHM, a specimen is illuminated from two sides in a 4π-alike configuration, and two holograms are generated and recorded by a CCD camera along two orthogonal polarization orientations. The image plane of the sample is determined by finding the minimal variation between the two object waves, and consequently refocusing is performed by propagating the waves to the image plane. Furthermore, the field of view (FOV) of OV-DHM can be extended by combining the two object waves which have an angle in-between. The proposed technique also has the potential to reduce speckle noise and out-of-focus background.
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