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The Optically Pumped Far-Infrared Laser for Methanol Isotopomers and Acetaldehyde

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/29904

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Title: The Optically Pumped Far-Infrared Laser for Methanol Isotopomers and Acetaldehyde
Creators: Xu, Li-Hong; Vasconcellos, E. C. C.; Zerbetto, S. C.; Zink, L. R.; Evenson, K. M.; Lees, R. M.
Issue Date: 1995
Abstract: The methanol isotopomers have been systematically investigated as a source of far-infrared (FIR) laser emission utilizing a newly designed optically pumped FIR-laser system. The system combines several different FIR laser cavity designs with the extended line coverage available from an efficient $CO_{2}$ laser. Many new FIR laser lines have been observed, pumped by high-J-fundamental, sequence, and hot-band $CO_{2}$ transitions. The observed new FIR laser lines cover a broad spectral region, and contribute significantly to the frequency coverage of the optically pumped FIR laser. Many new short-wavelength FIR laser transitions for normal methanol have been observed using a 2-m-long FIR laser cavity. In addition, acetaldehyde molecule has been reinvestigated as a source of FIR laser media. Accurate heterodyne frequency and $CO_{2}$-laser pump frequency offset measurements have been made for most of new FIR laser lines.
URI: http://hdl.handle.net/1811/29904
Other Identifiers: 1995-FB-02
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