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New Pump-Probe Technique Improves Imaging Spectroscopy

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Richard Gaughan

Pump-probe spectroscopy offers details about photochemical or photophysical reactions in a narrow slice of time, but reconstructing a reaction sequence takes a series of exposures, leading to photofatigue of the sample and other logistic problems. Now scientists at Yokohama National University in Japan and the University of Florida in Gainesville have developed a technique that makes a spectroscopic record of an entire sequence of intermediate steps within a reaction. The team, led by Jun Takeda, an associate professor in the department of physics at Yokohama National University, uses...Read full article

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    Published: January 2005
    Glossary
    photochemical
    The term photochemical pertains to chemical processes or reactions that are initiated or influenced by the absorption of light. Photochemical reactions involve the interaction of light, often in the form of ultraviolet or visible radiation, with molecules, leading to changes in their chemical structure or properties. These reactions are distinct from thermal or non-light-induced chemical reactions. Key characteristics of photochemical reactions include: Light absorption: Photochemical...
    photochemicalphotophysical reactionspump-probe spectroscopyResearch & TechnologySensors & DetectorsspectroscopicTech Pulse

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