ShareDoppler-limited spectroscopy at cryogenic temperatures: application of collisional cooling.
Author(s) : NEWNHAM D., BALLARD J., PAGE M.
Type of article: Article
Summary
A coolable gas cell for the measurement of mid-infrared spectra of gases at cryogenic temperatures as low as 77 K is described. Fourier transform infrared spectra of carbon dioxide, nitrogen dioxide, and methyl silane vapours cooled by collisions with helium gas at 77 K are reported. The resulting spectroscopic simplification indicates that efficient collisional cooling of the vibrational, as well as rotational, degrees of freedom occurs.
Details
- Original title: Doppler-limited spectroscopy at cryogenic temperatures: application of collisional cooling.
- Record ID : 1996-2106
- Languages: English
- Source: Rev. sci. Instrum. - vol. 66 - n. 9
- Publication date: 1995/09
- Document available for consultation in the library of the IIR headquarters only.
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