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  • Photonic Propulsion - Using Photons to Accelerate Spacecraft
    Article - 26 Oct 2018
    This article discusses using photons to accelerate spacecraft, otherwise known as photonic propulsion.
  • Looking Into The Diverse Area Of Wearable Optics
    Article - 9 Aug 2018
    Wearable optics come in many different forms, from the low-tech aesthetics by integrating optical fibers with clothing, to newly created advanced optical sensors and creating high-tech applications,...
  • What are Optically Responsive Materials?
    Article - 30 Jul 2018
    This article contains an overview of optically responsive materials.
  • How Are Laser Guide Stars Used in Astronomy?
    Article - 12 Apr 2018
    When there are no nearby stars to use as a reference, lasers are used to generate small bright spots in the sky. These laser guide stars can be used by astronomers with adaptive optics imaging to...
  • Ulbricht Sphere - Definition and Applications
    Article - 12 May 2014
    Ulbricht sphere, also known as an integrating sphere, is an optical device used for measuring the reflectivity/transmittivity of optical components and optical flux from an LED or bulb and a laser...
  • What is an Aperture?
    Article - 6 Oct 2014
    An aperture is an opening or a hole through which light passes by. In an optical system, the aperture is the opening that defines the cone angle of a set of light rays that converges at a focal point...
  • Xenon Flash Lamp - Properties and Applications
    Article - 15 Aug 2013
    Xenon lamps are ionized gas lamps that emit light in various spectral lines, when an electric current is passed through the tube.
  • What is a Fluorescent Lamp?
    Article - 19 Sep 2014
    Fluorescent lamps are essentially cylindrical glass tubes that are coated with phosphorus and filled with a noble gas. They also contain a small amount of mercury inside. Conventionally, these lamps...
  • What is a Dichroic Filter?
    Article - 24 Jul 2013
    Dichroic filters are filters that optic filters that are placed at an angle of 45° to the light source, causing the light to travel in a different direction. Dichroic is a Greek word meaning...
  • What is a Beamsplitter?
    Article - 5 Jun 2013
    Beamsplitters are elements that redirect a portion of the incident beam of light and allow the rest of the light to continue in the original direction.

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