# CW OVERTONE CARBON MONOXIDE LASER EMISSION BETWEEN 2.8 AND 4.0 MICRON

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/17936

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 Title: CW OVERTONE CARBON MONOXIDE LASER EMISSION BETWEEN 2.8 AND 4.0 MICRON Creators: Urban, W.; Gromoll-Bohle, Martina; Bohle, Wolfram; Weidenfeller, Angela Issue Date: 1989 Publisher: Ohio State University Abstract: A liquid nitrogen cooled CO plasma is used to drive overtone laser transitions $\Delta V = 2^{1}$. More than 160 single lines have been observed starting from $v = 15 \to 13$ up to $v = 37 \to 35$, at a maximum J distribution from 6 to 15. Line selection occurs via a gold coated grating in Littrow mounting. Single line power level on the strongest transitions is 120 mW, from 100 cm of cooled length. The special features for optimum overtone lasing conditions of both discharge and cavity are presented and some possibilities of spectroscopic applications will be discussed. Description: 1M. Gromoll-Bohle, W. Bohle, W. Urban, Optics Comm. 69, 409 (1989) Author Institution: Institute fur Angewandte Physik, Universitat Bonn. URI: http://hdl.handle.net/1811/17936 Other Identifiers: 1989-TB-4