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  • How Much Light Pollution is Out There?
    News - 4 Oct 2007
    Here's your mission, should you choose to accept it: Look up in the sky after dark and count the stars you see. As part of a worldwide push to gauge how much light pollution is out there, a...
  • Optical Coherence - Definition and Applications
    Article - 8 Jan 2014
    Optical coherence is associated with interference effects of light. A field of light is said to be coherent when the electric field values at different locations are in a fixed phase.
  • Birefringence - Definition and Applications
    Article - 27 Dec 2013
    Optical birefringence is an inherent property of a material that causes double refraction of a ray of light resulting in polarization of the light wave.
  • What is a Neon Lamp?
    Article - 15 Jun 2013
    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 LED?
    Article - 14 Jun 2013
    Light emitting diodes (LED) maybe defined as a semiconductor device that generates light by using the solid sate electronics.
  • Tailored Fiber Optic Products
    News - 13 Sep 2007
    Harris Corporation, an international communications and information technology company, is showcasing a comprehensive offering of broadcast fiber optic products that enable customers to choose a fiber...
  • High Performance Fibre-Optic Infrared Temperature Sensors
    News - 13 Sep 2007
    The Convir FL series of fibre-optic infrared temperature sensors has now grown with the addition of three new models. These new sensors extend the temperature range of the FL series enabling them to...
  • What is a CCD Sensor?
    Article - 10 Jun 2013
    The CCD (charge coupled device) was first invented at the Bell laboratories in the 1960s. CCDs are thin wafers which consist of a number of buried electrodes that facilitate the movement of electrons...
  • Additives Enhanced Laser Marking and Laser Welding of Clear Plastics
    News - 29 Aug 2007
    The marking and transmission welding of transparent plastics is an interesting subject which is of increasing importance for many plastic products. Nowadays it is possible to achieve a good marking...
  • Coumarin Dye Lasers - Properties and Applications
    Article - 14 May 2013
    Coumarins are a group of widely used laser dyes that emit blue-green light. 7-diethylamino-4-methylcoumarin was the first coumarin laser dye that exhibits laser action at around 460 nm during flash...

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