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Smoke and Mirrors: Ultra-Rapid-Scan FT-IR Spectrometry

This plot shows the amplitude of voice coil (or solenoid) response as a function of frequency. On the left side the response drops as 1/f2 for purely mechanical reasons. On the right side where the effect of coil inductance becomes significant, the response drops as 1/f3. If the effects of eddy currents were considered, then the response would drop even faster.

 
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