# CAVITY RING-DOWN SPECTROSCOPY OF THE 3-0 QUADRUPOLE OVERTONE BAND OF HYDROGEN

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/19350

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 Title: CAVITY RING-DOWN SPECTROSCOPY OF THE 3-0 QUADRUPOLE OVERTONE BAND OF HYDROGEN Creators: Robie, Daniel C.; Hodges, J. T.; Looney, J. P.; Van Zee, Roger D. Issue Date: 1999 Publisher: Ohio State University Abstract: We have used cavity ring-down spectroscopy to observe several lines in the 3-0 band of the quadrupole overtone spectrum of $H_{2}$. At pressures up to 2 bar in a cavity 1 m long, we have baseline losses less than 30 ppm and a signal-to-noise ratio above 40. New measurements of the line positions, linestrengths, pressure-broadening and pressure-shift coefficients will be presented, and compared with theoretical calculations. Description: Author Institution: Chemistry Department, Barnard College; Chemical Sciences and Technology Laboratory, National Institute of Standards and Technology URI: http://hdl.handle.net/1811/19350 Other Identifiers: 1999-RF-02