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  • 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.
  • What is an Optical Chopper?
    Article - 10 Jun 2013
    An optical chopper is a device that interrupts a light beam at periodic intervals. By varying the frequency of operation of the chopper it can be used for various applications. The first ever optical...
  • What is a Periscope?
    Article - 11 Sep 2014
    A periscope can be defined as an optical instrument that allows the viewing of objects that are not in the direct life of vision. Periscopes prove to be of great help to submariners to have a view of...
  • High-Transmission Precision Optics
    Article - 23 May 2013
    Dr. Brian Manning, Application Scientist with Chroma Technology Corporation talks to AZoOptics about high-transmission precision optics.
  • Introduction and Product Solutions for Bose Einstein Condensation
    Article - 3 Sep 2010
    Bose-Einstein condensation describes the collapse of the atoms into a single quantum state.

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