Development of a selective interference filter for measuring concentrations of trace gases in the stratosphere

Development of a selective interference filter for measuring concentrations of trace gases in the stratosphere

A Michelson interferometer set at zero path difference and containing gas samples in its arms can act as a highly selective filter passing only radiation very near the absorption line centres of the gas. An assessment of a variety of instruments having this property is made and the construction of a...

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Veröffentlicht in:Infrared physics 1979-01, Vol.19 (3), p.423-427
Hauptverfasser: Gledhill, G.A., Angress, J.F., Hall, S.A., Syms, M., Harries, J.E., Bradsell, R.H.
Format: Artikel
Sprache:eng
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Zusammenfassung:A Michelson interferometer set at zero path difference and containing gas samples in its arms can act as a highly selective filter passing only radiation very near the absorption line centres of the gas. An assessment of a variety of instruments having this property is made and the construction of a Mach-Zehnder arrangement is discussed.
ISSN:0020-0891
DOI:10.1016/0020-0891(79)90053-8