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  • What is Lens Flare and the Mechanisms of Lens Flare
    Article - 15 Dec 2007
    Lens flare is one of those optical phenomena which can ruin an otherwise perfect photograph, and all too often you don'tknow it until after the fact when you get your photos back from processing. Lens...
  • Field Curvature Aberration – What is Field Curvature Aberration?
    Article - 7 Dec 2007
    In optical microscopy, field curvature is an optical aberration that most of the experienced microscopists are familiar with. Field curvature occurs when lenses that have curved surfaces are used.
  • Chromatic Aberration – The Definition of Chromatic Aberration
    Article - 2 Dec 2007
    Chromatic aberration is also referred to as color fringing. Chromatic aberration occurs when a lens system is creating different focal lengths for different wavelengths of light. In other words, it is...
  • What is Optical Aberration and Types of Optical Aberration?
    Article - 1 Dec 2007
    Optical aberration can be considered as a flaw or distortion in the image generated by an optical system such as a lens or mirror compared to the original image.
  • Dioptre - The Definition of Dioptre
    Article - 17 Nov 2007
    Dioptre is a measurement unit that describes the optical power of a lens or a curved mirror. Dioptre can be expressed as the reciprocal value of its focal length in meters.
  • Polarizer - Basic Definition and Types of Polarizers
    Article - 21 Oct 2007
    A polarizer is a device that converts a beam of electromagnetic waves such as light which is unpolarized or mixed-polarization into a beam with a single linear polarization state.
  • How Does an Electron Microscope Work?
    Article - 14 Jan 2022
    Electron microscopy (EM) is an experimental method employed to capture high-resolution images of microscopic samples. It is a powerful technique to study the detailed structure of biological specimens...
  • Measuring the Optical Performance of Head-Up Displays
    Article - 29 Oct 2019
    Head-up display (HUD) technology is increasing significantly, and to meet appropriate standards, they need to go through efficient measurement systems.
  • What is Optical Attenuation?
    Article - 15 Mar 2019
    For any fiber optic cable to be highly effective at transmitting signals and/or data, the light passing through the fiber optics needs to be coherent, i.e. the light beam needs to be tight so that it...
  • How to Set Up Schlieren Optics
    Article - 3 Jan 2019
    This article describes the methods required to set up a variety of schlieren optics.

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