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Results 4691 - 4700 of 12636 for Optical
  • What is the Optical Kerr Effect?
    Article - 10 Oct 2013
    The Kerr effect (also known as quadratic electro-optic effect) is a phenomenon observed in non-linear optic materials where the refractive index of the material changes in response to an electric...
  • What is Electro-Optical Rectification?
    Article - 8 Oct 2013
    Optical rectification or electro-optic rectification may be described as a non-linear optical process that generates a quasi-DC polarization in a non-linear medium by passing an intense beam of light.
  • What is Optical Phase Conjugation?
    Article - 6 May 2014
    Optical phase conjugation is a non-linear optical process, which is capable of time reversing the scattering process and healing the distortions in the wave front.
  • 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...
  • Advanced Biometric Iris Recognition Systems: Potential Applications in Airport and Border Security
    News - 12 Sep 2007
    AOptix Technologies, Inc. a leading edge developer of advanced biometric iris recognition systems announced that it is entering the fast growing iris recognition biometrics market with its proprietary...
  • Revolutionary New Product for the Aerospace Industry from Stratos
    News - 12 Sep 2007
    Stratos Optical Technologies, a leader in fiber optic connectivity and OEO solutions for military applications, has announced the availability of the HTP-TR4 Quad Port Hybrid transceiver, a highly...
  • What are Optical Flats?
    Article - 6 May 2014
    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.
  • What is an Optical Chopper?
    Article - 10 Jun 2013
    An optical chopper is a device that interrupts a light beam at periodic intervals. By varying the frequency of operation of the chopper it can be used for various applications. The first ever optical...
  • Optical Lenses - How They Work and Types of Lens
    Article - 24 Jul 2013
    A lens can be described as an optical device that transmits and refracts the incident beam by converging or diverging it. A simple lens consists of a single optical element, while a compound lens is...
  • What is an Optical Diffuser?
    Article - 24 Jul 2013
    An optical diffuser can be defined as an element that scatters light. An optical diffuser is used for softening or giving shape to an illumination. Optical diffusers are commonly used in commercial...

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