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Results 421 - 430 of 435 for Gallium
  • What is Volume Electron Microscopy?
    Article - 3 Jan 2019
    This article describes how the 3D aspect is added to electron microscopy images, with volume electron microscopy.
  • Using Graphene as a Photodetector
    Article - 11 Apr 2018
    As many will know, graphene has many potential applications. As the world of graphene expands, more application areas need to be communicated. In this article, we focus on how graphene can be used a...
  • Graphene and Quantum Dots Integrated for Ultra-sensitive Camera Technology
    Article - 5 Jun 2017
    Researchers led by Frank Koppens at the Institute of Photonic Sciences in Barcelona have successfully integrated graphene with CMOS to operate as an ultrasensitive digital camera1.
  • Thermal Imaging in Space
    Article - 25 Apr 2016
    Originally developed for military purposes during the late 1940s, thermal imaging allowed soldiers in combat to see and target opposing forces through the darkest hours of the night or across a...
  • Pockels Cell - Definitions and Applications
    Article - 13 Mar 2014
    Pockels cell is an electro-optical device used for switching the direction of polarization of light beams. It is the primary component of various optical devices such as electro-optical modulators and...
  • What is a Photomultiplier?
    Article - 11 Jun 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...
  • Night Vision Goggles - How Night Vision Goggles Work
    Article - 21 Feb 2008
    Night vision devices or NVDs provides an individual the ability to maneuver and see at night and during times when the visibility is poor.
  • Laser-Based Techniques for Ultra-Precise Gas Measurements
    Article - 2 Jan 2024
    Laser gas analysis allows for gas detection with high sensitivity and selectivity. The multi-component capability and wide dynamic range of this detection method help analyze a mixture of gases with a...
  • How an Optical Device Could Make Surfaces Pathogen-free
    Article - 2 Oct 2023
    In an article recently published in the journal Applied Physics Express, researchers designed and fabricated a human-safe transverse quasi-phase-matched (QPM) aluminum nitride (AlN) channel waveguide...
  • What Are Semiconductor Lasers and How Are They Used?
    Article - 28 Feb 2023
    Semiconductor lasers are generated via radiative recombination of charge carrier pairs in semiconductors. They are more efficient, cost-effective, and require less power than conventional laser...

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