18 December 1996 Continuously tunable single-mode twenty-atmosphere CO2 laser
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Multi-atmosphere CO2 lasers can provide continuous gain over bands 20 to 30 cm-1 wide in each R and P branch of the 000 yields 100 and 0001 yields 0200 bands, covering approximately 60 percent of the 9.2-10.8 micrometers region. By contrast, the spectrum of a typical low pressure CO2 lasers is 99 percent empty. We describe design studies and the construction of a 20-atmosphere laser that will operate on a single longitudinal model and prove mode-to-mode tunability, thus effecting a useful compromise between the narrow-line capability of a low pressure laser and the broad tunability of a multi-atmosphere laser. One important application of this laser is to pump double-Raman processes in methyl fluoride which will shift the narrow linewidth and tunability to the 150 to 650 micrometers region of the far IR.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jerald A. R. Izatt, Wolfgang Schatz, Vladimir B. Fleurov, "Continuously tunable single-mode twenty-atmosphere CO2 laser", Proc. SPIE 2842, Millimeter and Submillimeter Waves and Applications III, (18 December 1996); doi: 10.1117/12.262732; https://doi.org/10.1117/12.262732

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