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Results 4301 - 4310 of 4440 for Communications
  • Photodiodes - Their Working Principles and Applications
    Article - 29 May 2014
    A photodiode is a kind of light detector which involves conversion of light into voltage or current based on the mode of operation of the device. It consists of built-in lenses, optical filters, and...
  • Bragg Grating - Introduction and Applications
    Article - 29 May 2014
    Fiber Bragg Grating (FBG) is a type of Bragg reflector (distributed type) that is constructed as a short segment of optical fiber to reflect light of certain wavelength and transmit the rest.
  • Waveguide - Definition and Applications
    Article - 30 Apr 2014
    Waveguide is an optical structure which directs the electromagnetic waves of an optical spectrum. Some of the common types of waveguides include rectangular waveguides and optical fibers.
  • ant Critical Angle - Definition and Applications
    Article - 6 May 2014
    Critical angle in optics refers to the angle of incidence beyond which total internal reflection of light occurs.
  • Space-Based Solar Panel Under Review by the Pentagon
    News - 28 Sep 2007
    The deployment of space platforms that capture sunlight for beaming down electrical power to Earth is under review by the Pentagon, as a way to offer global energy and security benefits - including...
  • Cassegrain Telescope - Definition and Applications
    Article - 1 May 2014
    The Cassegrain telescope is an astronomical reflecting telescope in which the light is incident on a large concave paraboloid mirror and reflected onto a smaller convex hyperboloid mirror.
  • Optical Atomic Clock Could Provide More Accurate Definition of a Second
    Article - 10 Jul 2013
    An international research team led by the Paris Observatory has developed an optical atomic clock based on strontium.
  • What is Four-Wave Mixing?
    Article - 1 Oct 2014
    Four-wave mixing (FWM) is a non-linear optical process where two other waves are produced by the interaction of two wavelengths. Four-wave mixing can take place in any kind of material.
  • What is a Photodiode?
    Article - 5 Jun 2013
    A photodiode can be described as a photo detector that is capable of converting incident light into voltage or current.
  • Storage of a Single Photon in a Quantum Memory
    News - 24 Jul 2007
    A series of publications in the journal Nature highlights the race among competing research groups toward the long-anticipated goal of quantum networking. In one of three papers published the...

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