constant-deviation spectrometer
constant-deviation spectrometer
[¦kän·stənt ‚dē·vē¦ā·shən spek′träm·əd·ər] (spectroscopy)
A spectrometer in which the collimator and telescope are held fixed and the observed wavelength is varied by rotating the prism or diffraction grating.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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