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  • What is a Mercury Vapour Lamp?
    Article - 6 May 2014
    A mercury vapour lamp is a high-pressure electric arc discharge lamp that provides intense illumination over a selected range of wavelengths.
  • What is a Neon Lamp?
    Article - 6 May 2014
    Neon lamps are gas discharge lamps that contain neon gas at a low pressure enveloped in a glass capsule. Gas discharge lamps emit light when electric light is passed through the gas.
  • What are Optical Flats?
    Article - 6 May 2014
    Optical flats can be described as an optical grade glass which is polished and made extremely flat on both surfaces, used for determining the flatness of various optical surfaces.
  • An Overview of the Materials Used for Solar Cells
    Article - 30 Mar 2008
    This article discusses the materials that are used in solar cells.
  • Liquid Crystals - What are Liquid Crystals and How They Are Used to Construct LCDs
    Article - 20 Oct 2007
    A liquid crystal display, commonly abbreviated as LCD, is a thin, flat display device made up of any number of color or monochrome pixels arrayed in front of a light source or reflector. It is often...
  • Light-Emitting Diodes - Their Structure and Applications
    Article - 27 Sep 2007
    A light-emitting diode or more commonly referred to as LED, is basically a semiconductor that when an electric current passes through it emits visible light. In other words, LED is basically a tiny...
  • How Does Thermal Imaging Work?
    Article - 23 Apr 2025
    Explore how thermal imaging works, including the physics behind infrared detection, types of cameras used, and key factors affecting measurement accuracy. A guide for engineers, inspectors, and...
  • From Lasers to Lenses: The Role of Optical Science in NDT
    Article - 28 Jan 2025
    Optical science advances non-destructive testing (NDT) through technologies like laser ultrasonics, shearography, and optical coherence tomography (OCT) for precise, non-contact material inspections.
  • An Overview of Cylindrical Lenses
    Article - 20 Dec 2024
    Learn the fundamentals and applications of versatile cylindrical lenses.
  • Key Insights into Flanged Optical Domes Design
    Article - 6 Dec 2024
    With the right choice of flanged optical domes, camera systems are being ushered into a new era of optical clarity and durability.

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