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.
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Received: 26 October 2000 / Published online: 7 February 2001
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Jackson, M., Telles, E., Allen, M. et al. Short-wavelength far-infrared laser cavity yielding new laser emissions in CD3OH . Appl Phys B 72, 815–818 (2001). https://doi.org/10.1007/s003400100523
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DOI: https://doi.org/10.1007/s003400100523