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Pressure-shift measurements of the oxygen A-band by Fourier-transform spectroscopy

✍ Scribed by Christian Hill; David A. Newnham; John M. Brown

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
176 KB
Volume
219
Category
Article
ISSN
0022-2852

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✦ Synopsis

The pressure shifts, d, of the (0-0) band of the b 1 R ΓΎ g -X 3 R Γ€ g electronic transition of oxygen (the so-called Γ”A-bandΓ•) have been measured at room temperature using high-resolution Fourier transform spectroscopy. The rotational dependence of d has been measured and characterised; the average value of the shift over the whole band is Γ€0:009 AE 0:001 cm Γ€1 atm Γ€1 . No significant variation in d is found for different O 2 mixing ratios in N 2 , and the results presented here are therefore appropriate for high-resolution atmospheric applications using the O 2 A-band.

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