Spectrophone

Spec´tro`phone

n.	1.An instrument constructed on the principle of the photophone and used in spectrum analysis as an adjunct to the spectroscope.

spectrophone

[′spek·trə‚fōn] (analytical chemistry) A cell containing the sample in the optoacoustic detection method; equipped with windows through which the laser beam enters the cell and a microphone for detecting sound.

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