Light traveling in an optical fiber loses power over distance. A number of factors are responsible for this power loss, but one that is particularly important at high data rates is the loss that occurs due to changes in light ...
Optics & Photonics
Aug 19, 2011
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Scientists at the U.S. Geological Survey (USGS) have proven that measuring fluorescence could improve source water monitoring during a study of the McKenzie River in Oregon. The study was designed to assess the amount, type ...
Environment
Dec 14, 2010
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Measuring the refractive index and the thickness of thin films (films with a thickness from less than a nanometer to several microns) is essential to characterize them and improve the performance of sensors and devices that ...
Optics & Photonics
Sep 15, 2023
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Many digitalized processes depend on data collected by increasingly powerful sensors and other test and measurement technology. When this data is processed, it provides precise and reliable information about the operating ...
Hardware
Jun 20, 2019
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Scientists from the National Physical Laboratory (NPL) have installed a Cryogenic Solar Absolute Radiometer (CSAR) at the Physikalisch-Meteorologisches Observatorium Davos World Radiation Center (PMOD/WRC) in Switzerland. ...
Earth Sciences
Jun 23, 2015
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The National Physical Laboratory (NPL) has collaborated with Chalmers University of Technology and Linköping University in Sweden to help develop a fast and inexpensive tool for quality control of graphene grown on silicon ...
Nanomaterials
Aug 29, 2013
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Lasers are widely used in many areas of science, industry and medicine and the quality of the beams they produce needs to be measured to make sure they perform correctly. As electronic devices become smaller and smaller over ...
Optics & Photonics
May 10, 2013
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Gas sensors developed in a European project now enable the implementation of cheaper and smaller instruments with equal or higher speed and sensitivity than current laboratory-grade instruments.
Engineering
Jan 22, 2013
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The National Physical Laboratory (NPL), the UK's National Measurement Institute, has developed a new range of three dimensional standards for verifying freeform coordinate measurement machines (CMMs). The standard allows ...
Engineering
Nov 14, 2012
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Innovative research by the National Physical Laboratory (NPL) and the University of Bradford used laser microscopes to explore how stone tools were used in prehistory, and the process has helped streamline surface measurement ...
General Physics
Jul 10, 2012
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