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   Articles with "focus variation" as a keyword



Focus variation due to near infrared laser in a confocal microscope

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recommendations! Published in 2022 at "Microscopy Research and Technique"

DOI: 10.1002/jemt.24198

Abstract: Focus precision and stability is crucial in confocal microscopy not only for image sharpness but also to avoid radiometric fluctuations that can wrongly be interpreted as variations of the fluorescence intensity in the sample. Here… read more here.

Keywords: focus variation; confocal microscope; microscopy; focus ... See more keywords

Non-carious cervical lesions imaged by focus variation microscopy.

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recommendations! Published in 2017 at "Journal of dentistry"

DOI: 10.1016/j.jdent.2017.05.001

Abstract: OBJECTIVE The aim of this study is to characterize the morphological and histological features of NCCLs in a group of extracted teeth using a focus variation optical microscopic technique that is capable of detecting minute… read more here.

Keywords: focus variation; shaped lesions; wedge shaped; microscopy ... See more keywords

Chromatic focus variation microscopy for surface metrology.

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recommendations! Published in 2024 at "Optics express"

DOI: 10.1364/oe.528285

Abstract: Optical metrology plays a vital role in a wide range of research and inspection areas in the industry. At present, the market offers a variety of optical metrology instruments, among which the focus variation microscope… read more here.

Keywords: focus variation; chromatic focus; metrology; objective lens ... See more keywords

Adaptive Threshold Algorithm for Outlier Elimination in 3D Topography Data of Metal Additive Manufactured Surfaces Obtained from Focus Variation Microscopy

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recommendations! Published in 2024 at "Photonics"

DOI: 10.3390/photonics11111011

Abstract: The topography of surfaces produced by metal additive manufacturing is a challenge for optical measurement systems such as focus variation microscopes. These irregularities can lead to artifacts, such as incorrectly measured protrusions or spikes, hampering… read more here.

Keywords: focus variation; metal additive; topography; variation microscopy ... See more keywords