# HIGH RESOLUTION LASER ZEEMAN SPECTROSCOPY IN THE 5 AND 10 $\mu m$ REGIONS

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 dc.creator Dale, R. M. en_US dc.creator Johns, J. W. C. en_US dc.creator McKellar, A. R. W. en_US dc.date.accessioned 2006-06-15T13:54:10Z dc.date.available 2006-06-15T13:54:10Z dc.date.issued 1977 en_US dc.identifier 1977-ME-7 en_US dc.identifier.uri http://hdl.handle.net/1811/10022 dc.description Author Institution: Herzberg Institute of Astrophysics, National Research Council of Canada en_US dc.description.abstract A laser Zeeman spectrometer has been constructed in which the absorption cell has been placed inside the laser cavity. The gain cell can be used with either CO or $CO_{2}$ as well as their isotopic modifications and can thus operate at 5 and at 10 $\mu$m. The in-cavity operation increases both the resolution, since saturation dips can be observed, and the sensitivity of the apparatus. The performance will be illustrated with the fundamental of NO in which A-doubling of $\sim$ 2.7 MHz is clearly resolved and in which spectra due to the $v = 2\leftarrow y = 1$ hot” band as well as the isotopic molecules $^{15}N^{16}O, ^{14}N^{18}O$ and $^{14}N^{17}O$, all present in natural abundance, have been observed. en_US dc.format.extent 105237 bytes dc.format.mimetype image/jpeg dc.language.iso English en_US dc.publisher Ohio State University en_US dc.title HIGH RESOLUTION LASER ZEEMAN SPECTROSCOPY IN THE 5 AND 10 $\mu m$ REGIONS en_US dc.type article en_US