Short-wavelength far-infrared laser cavity yielding new laser emissions in CD3OH |
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| Authors: | M. Jackson E.M. Telles M.D. Allen K.M. Evenson |
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| Affiliation: | (1) Department of Physics, University of Wisconsin–La Crosse, La Crosse, WI 54601, USA, US;(2) Instituto de Físicia Gleb Wataghin, Universidade Estadual de Campinas – UNICAMP, 13.083-970, Campinas, S.P., Brasil, BR;(3) Time and Frequency Division, 847.00, National Institute of Standards and Technology, 325 Broadway, Boulder, CO 80303, USA, US |
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| Abstract: | A significantly improved far-infrared laser has been used to generate optically pumped laser emissions from 26 to 150 μm for CD3OH. Using an X–V-pumping geometry, several new laser emissions have been found for CD3OH. In addition, an increase in power, by factors from 10 to 1000, for many of the previously known shorter-wavelength laser lines, below 100 μm, has been observed. Frequency measurements for several lines have also been performed and have been reported to a fractional uncertainty up to ±2×10-7, permitting the spectroscopic assignment of the laser transition. One of the frequency-measured lines, 44.256 μm observed using the 10R34 pump, has confirmed the assignment of the previously reported FIR emission (n,K;J)=(1,7;20)?(0,8;20)A in the ground vibrational state. Received: 26 October 2000 / Published online: 7 February 2001 |
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| Keywords: | PACS: 42.60.By 42.60.Da 42.62.Fi |
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