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AQ6375 Optical Spectrum Analyzer for Long Wavelength Band
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From Yokogawa Corporation of America
In recent years, global environmental issues have received increasing attention, promoting effective initiatives to reduce greenhouse gases. In addition to CO2, a well known greenhouse gas, there are other gases that can damage the environment, including SO2 (sulfer dioxide) and NOX (nitrogen dioxide). In order to small concentrations of these gas molecules with high sensitivity, laser absorption spectroscopy technology is gaining attention and is under active development. Product Announcements
Topics of Interest
CHRISTOPHE COQUELET AND DOMINIQUE RICHON
CNRS FRE2861 CEP/TEP, Ecole Des Mines de Paris, 35 rue Saint Honor , 77305, Fontainebleau, France
14.1 Introduction
Recent observations clearly show...
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Global warming and pollution have aroused interest in the monitoring and study of various atmospheric gases that absorb the sun's rays. These gases, CO2, Methane and Nitrous Oxide, are present in the...
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The active medium in a CO2 laser is a mixture of carbon dioxide,
nitrogen, and (generally) helium. Each gas plays a distinct role.
Carbon dioxide is the light emitter. The CO2 molecules are first...
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Comparison Table
Table 3-1: Analyzer comparison
TYPES OF ANALYZERS
ACID GASES
AIR
AMMONIA
ARGON
BENZENE
CARBON DIOXIDE
CARBON MONOXIDE
CATALYST RESIDUE...
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Applications. Carbon dioxide lasers can serve many functions, from a
comparatively inexpensive source of laser photons to an emitter of
precise infrared wavelengths. This versatility has opened up...
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