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gases News
NIST’s Comb Systems Measure All Primary Greenhouse Gases in the Air
GAITHERSBURG, Md., July 7, 2021 — National Institute of Standards and Technology (NIST) researchers upgraded their laser frequency-comb instrument to simultaneously measure nitrous oxide, carbon dioxide, water vapor, and the major air pollutants ozone and carbon monoxide. The NIST...
Laser Gain Media: A Diverse Family of Materials
May 1, 2013 — Various gain media used in laser technologies differ greatly in essential properties such as wavelength ranges and tunability, pumping options, efficiency, and capability for energy storage and high powers. Since the birth of the laser in 1960,...
IR technique senses traffic pollution
Jan 1, 2011 — A rapid and nonintrusive method to analyze traffic pollution based on the open-path Fourier transform infrared (FTIR) technique has passed a road test in two Spanish towns. The technique, which can be applied to the remote sensing of many...
Traffic Pollution Analyzed by IR Sensing
MADRID, Spain, Sept. 10, 2010 — Scientists at Universidad Carlos III de Madrid are testing infrared (IR) remote sensing technology to evaluate the pollutant emissions associated with motor vehicle traffic. The technology could analyze all the gases of environmental interest with...
Linde Electronics, Gases Units Consolidate Service Ops
MURRAY HILL, N.J., March 16, 2010 – The Electronics and Specialty Gases business of Linde North America will consolidate its customer services operations in its Stewartsville, N.J. facility. The consolidation comes as part of the integration of Spectra Gases Inc., which the...
Multibeam Lasers Emit in IR
CAMBRIDGE, Mass., Nov. 30, 2009 – An international team of applied scientists demonstrated compact, multibeam and multiwavelength lasers emitting in the infrared. Typically, lasers emit a single light beam of a well-defined wavelength; with their multibeam abilities, the new lasers...
Testing (and Tasting) Beer on Sight
Sep 1, 2006 — Kenneth S. Suslick was not under the influence, even though he was discussing an optical beer-testing technique that essentially tastes and smells a substance visually. Suslick, the Marvin T. Schmidt professor of chemistry at the University of...
Through the Looking Glass and What Cavity Ringdown Found There
Oct 1, 2004 — What is air? Scientists worldwide continue to focus their attention and their instruments on answering that simple question with an ever-increasing standard for accuracy. It is no longer sufficient to know that air is composed mostly of nitrogen and...
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March 2024
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