# $0.0025 cm^{-1}$ RESOLUTION WITH THE KITT PEAK FOURIER TRANSFORM SPECTROMETER

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 dc.creator Jennings, D. E. en_US dc.creator Hubbard, R. en_US dc.creator Brault, J. W. en_US dc.date.accessioned 2006-06-15T17:42:57Z dc.date.available 2006-06-15T17:42:57Z dc.date.issued 1984 en_US dc.identifier 1984-RB-9 en_US dc.identifier.uri http://hdl.handle.net/1811/16699 dc.description Author Institution: Infrared and Radio Astronomy Branch; National Solar Observatory, 950 North Cherry Avenue en_US dc.description.abstract Molecular spectra have been recorded at $0.0025 cm^{-1}$ resolution using the 1-meter FTS of the National Solar Observatory located at Kitt Peak. This was accomplished by converting the normal double-input, double-output optical arrangement which single-passes the cat's-eyes to a single-input, single-output arrangement which double-passes the cat's-eyes. The conversion is done in a simple manner by inserting two flat mirrors and a compensator into the infrared beams and by placing the detector at the second input port of the FTS. The HeNe reference interferometer is not affected by the conversion, and the alignment for single-pass operation is not altered, so that conversion to and from the double-pass arrangement requires minimum modification to the instrument. Spectra of several gases have been recorded using the increased resolution of the FTS, and examples of these will be shown. en_US dc.format.extent 609502 bytes dc.format.mimetype image/jpeg dc.language.iso English en_US dc.publisher Ohio State University en_US dc.title $0.0025 cm^{-1}$ RESOLUTION WITH THE KITT PEAK FOURIER TRANSFORM SPECTROMETER en_US dc.type article en_US