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  • Pinhole Effect in Confocal Microscopes

    When operating a confocal microscope, or when discussing features and parameters of such a device, we inescapably mention the pinhole and its diameter. This short introductory document is meant to explain the significance of the pinhole for those, who did not want to spend too much time to dig into theory and details of confocal microscopy but wanted to have an idea about the effect of the pinhole.
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  • HyVolution – Super-Resolution Imaging with a Confocal Microscope

    Since the invention of the microscope, there has been continual discussion about the possibility of showing more detailed features of specimens as compared to just magnifying them. In this article we describe the HyVolution concept and how the combination of confocal multiparameter fluorescence imaging at the confocal super-resolution regime with psf-based real deconvolution allows high-speed multicolor imaging with a resolution down to 140 nm.
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  • Webinar: Basics of Confocal Microscopy

    In this webinar we will be covering the basics of confocal microscopy for those individuals who have had little or no prior experience with this technique. We will be discussing when to use this technique and will also be providing a demonstration on a Leica confocal microscope to show you just how powerful a technique this is.
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  • Pinhole Geometry: Four Corners are Perfect

    Square and hexagonal pinholes provide identical image signal levels, if the geometries are compared in a sensible manner. The amount of light passing the pinhole depends on the area of that aperture, consequently the area is the parameter that must be compared when discussing brightness of focus images. The use of incommensurable edge lengths is meant to confuse the reader and thus dishonest and reprehensible. In this article, the signal level as a function of geometry and size in confocal microscopes is described.
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  • Pinhole Controls Optical Slicing

    True confocal scanning microscopes (TCS) use a variable detection pinhole. Good optical sectioning tries to use just the inner core of the PSF.
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  • Confocal Optical Section Thickness

    Confocal microscopes are employed to optically slice comparably thick samples.
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