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  • VIPA Fabrication
    Article - 21 Jun 2016
    Virtually imaged phase arrays (VIPAs) (Figure 1) are a special kind of Fabry-Perot etalon composed of three unique coatings. An anti-reflection coated section represents a surface of a VIPA and is...
  • PMA 50: Polarization Modulation Measurements
    Equipment
    The external accessory PMA 50 from Bruker has been developed exclusively for polarization modulation measurements.
  • Measuring Optical Components with the Verifire Precise Vibration-Robust Interferometer System
    Equipment
    The Verifire™ interferometer system from ZYGO? offers quick high-precision measurements of spherical or plano surfaces, and transmitted wavefront of optical systems and assemblies.
  • Spectroradiometer with Dynamic Range and High Accuracy
    Equipment
    The Rhea series spectrometer is a high-end instrument, with precise measurement capabilities integrated in a rugged jacket, that has been designed to provide easy operation.
  • Chromatic Dispersion - Definition and Applications
    Article - 15 May 2014
    Chromatic dispersion is the change in refractive index due to change in wavelength. Dispersion is the phenomenon that causes light to be separated into various colors while passing through a prism....
  • B-Integral - Definition and Significance
    Article - 15 May 2014
    B-Integral is defined as the measure of the non-linear phase shift of light in devices like amplifiers. B-Integral is a term that is specific to non-linear optics. The non-linear shift of the laser...
  • Photodiodes - Their Working Principles and Applications
    Article - 29 May 2014
    A photodiode is a kind of light detector which involves conversion of light into voltage or current based on the mode of operation of the device. It consists of built-in lenses, optical filters, and...
  • What is Optical Resolution?
    Article - 30 Oct 2014
    Optical resolution is the physical resolution at which an imaging device can capture an image.
  • What is a Prism?
    Article - 12 Sep 2014
    A prism is a transparent geometric optical object with a minimum of two polished plane faces inclined relative to each other, from which light is reflected or through which light is refracted.
  • Optical Coherence - Definition and Applications
    Article - 6 May 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.

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