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  • How Are Laser Guide Stars Used in Astronomy?
    Article - 12 Apr 2018
    When there are no nearby stars to use as a reference, lasers are used to generate small bright spots in the sky. These laser guide stars can be used by astronomers with adaptive optics imaging to...
  • Optical Flats and Windows
    Equipment
    Optical Surfaces supply reference and coated flat mirrors worldwide and regularly supply precision alignment devices for optical and engineering purposes.
  • Compact 2W Xenon Flash Lamp Module - L13651
    Equipment
    This page details the capabilities of the L13651, a compact 2W xenon flash lamp module.
  • VIPA Fabrication
    Article - 20 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 - 10 Apr 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 - 9 Apr 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 - 13 Mar 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...

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