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  • What is an Aperture?
    Article - 31 Dec 2013
    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...
  • The Diffraction Limits in Optical Microscopy
    Article - 19 Dec 2013
    The optical microscope, also called the light microscope, is the oldest type of microscope which uses visible light and lenses in order to magnify images of very small samples. It is a standard tool...
  • Light Sheet Microscopy - Applications and Benefits
    Article - 21 Nov 2013
    Light sheet fluorescence microscopy (LSFM), also known as selective plane illumination microscopy (SPIM), is a non-destructive, versatile imaging tool that operates as a microscope and microtome using...
  • What is Optical Parametric Amplification (OPA)?
    Article - 26 Jun 2013
    Optical parametric amplification (OPA) may be described as a process of amplifying an input signal in the presence of a higher-frequency pump wave. Apart from signal amplification, an idler wave is...
  • What is Spontaneous Parametric Down Conversion?
    Article - 26 Jun 2013
    Spontaneous parametric down conversion is as an optical quantum process in which an incident photon is converted into pairs of entangled photons by a non-linear medium.
  • What is a Dichroic Filter?
    Article - 12 Jun 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 are Optical Flats?
    Article - 11 Jun 2013
    Optical flats can be described as an optical grade glass which is polished and made extremely flat on both surfaces, used for determining the flatness of various optical surfaces.
  • Cerium LiSAF and Cerium LiCAF Lasers – Properties and Applications
    Article - 18 May 2013
    Cerium is the simplest rare earth metal known. The Ce:LiSAF and Ce:LiCAF lasers are categorised as UV diode lasers.
  • Ytterbium Doped Glass Lasers – Properties and Applications
    Article - 17 May 2013
    Ytterbium doped glass laser is a solid state laser doped with ytterbium. Ytterbium and other rare earths are used to dope the active lasing mediums of solid state lasers. Doping with ytterbium...
  • Neodymium Glass Lasers - Properties and Applications
    Article - 15 May 2013
    Neodymium glass (Nd:Glass) lasers are isotropic, and can be doped at high concentrations with excellent uniformity. All these properties distinguish Nd:glass lasers from other solid-state lasers.

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