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Hamamatsu Corp. - Earth Innovations LB 2/24

NIR Diode Lasers Measure Coal-Fire Emissions

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Brent D. Johnson

Coal-fired power plants have been in operation for nearly a century; nevertheless, some of the processes that occur in their combustion chambers are still not completely understood. In a typical system, gas is siphoned from the furnace into a sampling tube, and measurements are made with nondispersive infrared photometers. But there are a number of problems associated with this technique, not the least of which is a lack of specificity because of the low resolution of optical filters. Volker Ebert and his colleagues at the Institute of Physical Chemistry at the University of Heidelberg in...Read full article

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    Published: July 2003
    Accent on ApplicationsApplicationsBasic Sciencecoal-fired power plantslow resolution of optical filtersnir diode laserSensors & Detectorstunable diode laser absorption spectroscopy

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