| 摘要 |
In a measurement device (1) including a measurement chamber (2), in which an electromagnetic wave (4), having a carrier frequency and modulated by a modulation frequency, acts on a sample, it is proposed to arrange an acoustic pickup (6), which is tuned to the modulation frequency, outside of the measurement chamber (2) and to connect this acoustic pickup via acoustic decoupling means (9) to the measurement chamber (2) for detecting acoustic excitations (5) generated in the sample by the acting electromagnetic wave (4).
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