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  • 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.
  • 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 an LED?
    Article - 18 Sep 2014
    Light emitting diodes (LED) maybe defined as a semiconductor device that generates light by using the solid sate electronics.
  • What is a Photomultiplier?
    Article - 8 Jul 2013
    Photomultipliers or photomultiplier tubes (PMTs) belong to a class of vacuum tubes that convert photons into electric signal. PMTs are known for their ultra-fast response and high sensitivity. They...
  • What is a Collimator?
    Article - 10 Jun 2013
    A collimator may be described as a device that focuses or narrows a light beam or a stream of particles to be aligned in a different direction or reduce its cross section. The collimator focuses a...
  • 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.
  • Erbium Doped Glass Lasers – Properties and Applications
    Article - 15 Aug 2013
    Erbium is a chemical element belonging to the category of rare earth metals. The trivalent ion of erbium (Er3+) is often used as the dopant for a number of glass and crystal lasers.
  • Cerium LiSAF and Cerium LiCAF Lasers – Properties and Applications
    Article - 25 Apr 2014
    Cerium is the simplest rare earth metal known. The Ce:LiSAF and Ce:LiCAF lasers are categorised as UV diode lasers.
  • Gold Vapor Lasers - Properties and Applications
    Article - 24 Jul 2013
    The gold vapor laser is very similar to copper vapor laser in terms of structure and operation as well.
  • Xenon Fluoride Excimer Lasers – Properties and Applications
    Article - 25 Apr 2014
    Xenon fluoride (XeF) excimer laser consists of xenon, a noble gas, and fluorine, a halogen.

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