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Applications of Infrared Laser Spectroscopy to Laser Chemistry and Laser Development

机译：红外激光光谱技术在激光化学和激光发展中的应用

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The impact on infrared molecular spectroscopy of high-resolution tunable laser sources and laser-controlled Fourier-transform spectrometers is discussed, with special reference to rovibrational spectra of spherical-top molecules such as CH sub 4 , OsO sub 4 , SiF sub 4 , SF sub 6 , and UF sub 6 . The role of tunable laser spectroscopy in analyzing the CF sub 4 laser, resulting in the precise prediction of lasing frequencies between 605 and 655 cm/sup /minus/1/, is described. Studies of overtone and combination bands of SF sub 6 enable the vibrational anharmonicity to be determined, resulting in a more detailed description of the pump transitions involved in laser photochemistry, and of higher vibrational levels and pathways to excitation and dissociation. This permits more accurate calculations of vibrational state densities for spherical-top molecules. Implications for the photochemistry of species, such as SiF sub 4 , SF sub 6 , UF sub 6 , and Ni(Co) sub 4 , are discussed. 48 refs., 8 figs., 2 tabs. (ERA citation 14:029079)

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