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  • Practical fabrication of hyperlens arrays for super-resolution imaging
    Article - 25 Apr 2017
    One of the newest advances in microscopy technology providing super-resolution are hyperlenses. They make use of so-called evanescent waves that are lost in conventional lenses.
  • Model-Based Transparent Surface Films Analysis
    Article - 17 Apr 2017
    Model-based CSI enables precise surface and film thickness metrology, crucial for diverse applications, with robust, sample-agnostic calibration.
  • Free-Electron Laser - Definition and Applications
    Article - 15 May 2014
    A free-electron laser is a kind of laser that employs a beam of high-speed, relativistic electrons moving freely with an optical field via a magnetic structure.
  • Celebrating 20 Years of Innovation in Spectroscopy
    Article - 8 Apr 2014
    In this interview, Benno Oderkerk, CEO of Avantes, talks to AZoOptics about the last 20 years of innovation at Avantes and their plans for the future.
  • Radiant Intensity - Definition and Introduction
    Article - 19 Jun 2014
    Radiant intensity may be defined as the amount of power emitted by a source in a particular direction per unit solid angle.
  • The Twyman Green Interferometer
    Article - 4 Aug 2014
    The Twyman-Green interferometer is an instrument for testing optical components such as lenses and prisms. It was invented and patented by English electrical engineer Frank Twyman and English chemist...
  • What is a Pinhole Camera?
    Article - 24 Oct 2014
    A pinhole camera, also known as camera obscura or "dark chamber", is a simple camera that has a single small aperture called pinhole instead of a lens.
  • Acousto-Optical Effects - Principles and Applications
    Article - 8 Oct 2013
    Acousto-optics is a phenomenon which deals with the interaction of light (optics) and sound (acoustics). The existence of an interaction between light and sound was discovered by Brillouin in the year...
  • What is the Optical Kerr Effect?
    Article - 10 Oct 2013
    The Kerr effect (also known as quadratic electro-optic effect) is a phenomenon observed in non-linear optic materials where the refractive index of the material changes in response to an electric...
  • 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.

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