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Mode-Locked Laser Tackles Raman Spectroscopy

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Kevin Robinson

Researchers at the University of Texas have taken the first steps toward developing a rugged Raman spectrometer based on a high-power laser diode -- steps that may lead to a device that can detect environmental pollutants as well as analyze gases, gas flows and jets. A combination of solutions enabled them to overcome the typical problems associated with using high-power diodes for Raman spectroscopy of gases. Because its signal contains highly specific molecular information, Raman spectroscopy is an important analytical tool. The signal, however, is very weak: Only a few photons...Read full article

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    Published: March 2000
    Basic ScienceResearch & TechnologySensors & DetectorsspectroscopyTech Pulse

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