An ultra-high-resolution offset-locked carbon dioxide laser spectrometer
- 14 September 1988
- journal article
- Published by IOP Publishing in Journal of Physics D: Applied Physics
- Vol. 21 (9) , 1352-1358
- https://doi.org/10.1088/0022-3727/21/9/007
Abstract
An ultra-high-resolution frequency-offset-locked carbon dioxide waveguide laser spectrometer has been constructed. Three different sample cell configurations have been evaluated, namely: plane-plane etalon, mirror-based two-pass cell and a retro-reflector-based two-pass cell. In the last case peak-to-peak linewidths of 12 kHz have been obtained for the first derivative signal in sulphur hexafluoride at 10.6 mu m.Keywords
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