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Content Provider | IEEE Xplore Digital Library |
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Author | Almoayed, N.N. Afsar, M.N. |
Copyright Year | 2004 |
Description | Author affiliation: Dept. of Electr. & Comput. Eng., Tufts Univ., Medford, MA (Almoayed, N.N.; Afsar, M.N.) |
Abstract | The use of dispersive Fourier transform techniques in interferometry allows the measurement of absorption coefficient and refractive index spectra with great precision. This paper presents the absorption coefficient and refractive index spectra of carbon monoxide gas at millimeter and submillimeter wavelengths. In order to assess rotational lines of carbon monoxide, the gas was measured at four different pressures, giving insight into the behavior of the spectral lines with varying parameters. Our measurements demonstrate that varying the pressure of the gas affects only the amplitude of the absorption lines and not their exact position. This is critical in air pollution studies when trying to single out a specific gas from a field sample with unknown constituents |
Starting Page | 1948 |
Ending Page | 1950 |
File Size | 234086 |
Page Count | 3 |
File Format | |
ISBN | 0780388798 |
DOI | 10.1109/IMTC.2005.1604511 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2005-05-16 |
Publisher Place | Canada |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Absorption Refractive index Carbon dioxide Atmospheric measurements Pollution measurement Wavelength measurement Submillimeter wave technology Dispersion Fourier transforms Interferometry submillimeter wave spectroscopy Absorbing media Fourier spectroscopy millimeter wave spectroscopy refraction spectral analysis |
Content Type | Text |
Resource Type | Article |
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