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Results 3541 - 3550 of 3624 for Semiconductors
  • Using the RM9 Radiometer System to Measure Very Low Power IR Lasers
    Article - 14 Sep 2015
    Laser beam powers are typically measured using thermal sensors and photodiode-based sensors. Thermal sensors are used for high laser power measurements.
  • Advanced Cooled VIS-SWIR Camera for Industrial Imaging and Astronomy
    Article - 4 Dec 2014
    In this interview, Mark Donaghy from Raptor Photonics talks to AZoOptics about Ninox, their new cooled SWIR InGaAs camera. With the latest sensor technology and air/water cooling to -20°C, the Ninox...
  • The Photoelectric Effect
    Article - 16 Sep 2014
    In 1921 Albert Einstein won the Nobel Prize for discovering the law which governs the photoelectric effect.
  • Thermoelectric Cooling - Definition and Applications
    Article - 19 Jun 2014
    Thermoelectric cooling is a process of eliminating heat energy from a device, component or medium with the application of constant voltage between two dissimilar semiconductors or electrical...
  • Laser Mode Locking - Theory and Applications
    Article - 29 May 2014
    Mode locking is a technique used to obtain ultra short pulses from lasers. Lasers that are mode locked are capable of producing pulses having pulse widths in the order of sub-pico seconds or even...
  • The Diffraction Limits in Optical Microscopy
    Article - 4 Aug 2014
    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...
  • 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 a Light Emitting Capacitor (LEC)?
    Article - 5 Jul 2013
    Light emitting capacitor (LEC) is an electroluminescent device in which the active layer is a polymer which is capable of ionic conduction.
  • What is a Photomultiplier?
    Article - 8 Jul 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...
  • Argon Fluoride (ArF) Excimer Lasers - Properties and Applications
    Article - 29 Aug 2013
    The argon fluoride (ArF) laser is an excimer laser that consists of a mixture of noble gas such as xenon, krypton or argon and a halogen gas such as chlorine or fluorine, which when subjected to high...

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