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  • Using a Smartphone for Virus Detection
    Article - 26 Sep 2013
    Advancements in smartphones are continuing to progress with an effort to making these phones capable of being applied in sophisticated fields of application including laboratory analysis.
  • What is a Mercury Vapour Lamp?
    Article - 6 May 2014
    A mercury vapour lamp is a high-pressure electric arc discharge lamp that provides intense illumination over a selected range of wavelengths.
  • Properties and Applications of Argon Lamps
    Article - 3 May 2014
    Argon lamps are gas discharge lamps that contain argon gas at a low pressure enveloped in a glass capsule. Gas discharge lamps emit light when electric light is passed through the gas. Argon lamps...
  • Plasma Lamp - Properties and Applications
    Article - 15 Aug 2013
    Plasma lamps can be described as gas lamps that are devoid of any electrode and energized by radio frequency.
  • What is a Nernst Lamp?
    Article - 18 Jun 2013
    Nernst lamps are thermal light sources that emit radiation near the infra red region of the electromagnetic spectrum.
  • What is an Optical Fiber Isolator?
    Article - 22 Oct 2014
    Optical isolators are optical elements which allow light to propagate in only one direction. The propagation of light in one single direction is required in order to prevent optical back scattering or...
  • What is an Optical Longpass Filter?
    Article - 25 Apr 2014
    An optical longpass filter is defined as an optical filter that passes all wavelengths from a given wavelength to the red of that wavelength.
  • What is an Optical Bandpass Filter?
    Article - 24 Jul 2013
    Optical bandpass filters are filters that allow only a certain bandwidth of light and block the others above and below the specified bandwidth.
  • 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.
  • Helium Selenium Laser – Properties and Applications
    Article - 29 Aug 2013
    Helium selenium laser falls into the category of metal-vapour lasers. The operation mode of this laser is similar to that of the helium cadmium laser. Spontaneous emission occurs when selenium...

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