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Journal Article

Cavity-enhanced absorption spectroscopy of the 1.5 μm band system of jet-cooled ammonia

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Citation

Berden, G., Peeters, R., & Meijer, G. (1999). Cavity-enhanced absorption spectroscopy of the 1.5 μm band system of jet-cooled ammonia. Chemical Physics Letters, 307(3-4), 131-138. doi:10.1016/S0009-2614(99)00504-7.


Cite as: https://hdl.handle.net/21.11116/0000-000B-65F1-3
Abstract
Absorption spectra of rotationally cold ammonia (14NH3) molecules have been recorded in the 6400–6630 cm−1 region, using the cavity-enhanced absorption technique in combination with a slit-nozzle expansion. Two perpendicular rovibrational bands have been identified: the ν13 band at 6609 cm−1, and a `new' band at 6557 cm−1 which is tentatively assigned to a transition into the |l|=2 component of the ν1+2ν4 state.