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Experimental physics

A shift in spectroscopy

Spectroscopic measurement of the energy absorbed or emitted by an object is an invaluable experimental technique. An innovative approach opens the door to the acquisition of previously inaccessible data.

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Figure 1: Use of avoided energy-level crossing for amplitude spectroscopy.


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Wilhelm, F. A shift in spectroscopy. Nature 455, 41–43 (2008).

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