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OH detection by absorption of frequency-doubled diode laser radiation at 308nm

By Hugh R. Barry, Ben Bakowski, Laura Corner, Tim Freegarde, Oliver T. W. Hawkins, Gus Hancock, Robert M. J. Jacobs, Robert Peverall and Grant A. D. Ritchie


Radiation at 308 nm has been obtained by frequency doubling the output of a commercial diode laser cooled to 165 K. A single pass through a crystal of LiIO3 converted 1 mW of 616 nm radiation to 50 pW of UV, and this was used to detect the OH radical in absorption in a flow tube. Possible extensions of the method for detection of OH in the atmosphere are discussed

Topics: QC
Year: 2000
OAI identifier: oai:eprints.soton.ac.uk:14830
Provided by: e-Prints Soton

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