title: Precise measurements with a compact vacuum infrared spectrometer.
abstract: A 3-m vacuum grating IR spectrometer with digital recording is described. Resolution better than 0.025 cm(-1) at 3000 cm(-1) is demonstrated, and details are given of a fast deconvolution procedure by which the resolution is enhanced to near 0.010 cm(-1) . The grating drive incorporates a Merton nut, which facilitates the measurement of highly precise wave numbers. Lines in the 12 degrees 1 band of N(2)O near 4630 cm(-1) have been measured and agree within an average of +/-0.0004 cm(-1) with interferometric values.
authors.forename: D B
authors.initials: DB
authors.lastname: Braund
authors.forename: A R
authors.initials: AR
authors.lastname: Cole
authors.forename: J A
authors.initials: JA
authors.lastname: Cugley
authors.forename: F R
authors.initials: FR
authors.lastname: Honey
authors.forename: R E
authors.initials: RE
authors.lastname: Pulfrey
authors.forename: G D
authors.initials: GD
authors.lastname: Reece