Fourier transform spectroscopy
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Fourier transform spectroscopy[¦fu̇r·ē¦ā ′tranz‚fȯrm spek′träs·kə·pē]
A spectroscopic technique in which all pertinent wavelengths simultaneously irradiate the sample for a short period of time, and the absorption spectrum is found by mathematical manipulation of the Fourier transform so obtained.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.