ArticleOptics express2016
Optical measurement of focal offset in tunable lenses.
Article in Optics express, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed.
- VIEW-MOD: a versatile illumination engine with a modular optical design for fluorescence microscopy.Optics express · 2019Article
- In-Situ Real-Time Focus Detection during Laser Processing Using Double-Hole Masks and Advanced Image Sensor Software.Sensors (Basel, Switzerland) · 2017Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
Abstract
Electrically tunable lenses are becoming a widely used optical tool, and have brought significant innovation to microscopy methods. One current limitation of such systems is the difficulty of directly monitor the focal change in real time. Affordable and reliable feedback for such lenses, compatible with any microscopy setup, represents a much-needed improvement that is still not widely available. We discuss here the implementation and technical performance of an optical device to measure with a high frequency response the displacement of the focal offset of a commercial tunable lens with a precision in the range of the axial Point Spread Function (PSF) of the microscope. The technology presented is cost effective and can be employed on any microscopy setup.
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Registered trials
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