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Axel Schönbeck on Muck Rack

Axel Schönbeck

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Articles

Heterodyne laser Doppler vibrometer with squeezed light enhancement

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By Jan Südbeck, Axel Schönbeck, Mengwei Yu, Pascal Gewecke
| Optica Verified
An important feature of a heterodyne laser Doppler vibrometer (LDV) is the possibility of measuring an optical path length oscillation at a frequency f at a choosable frequency fhet ± f, at which the photo-electric measurement shows an optical quantum noise that is significantly greater than the detector dark noise. The full-squeezed light enhancement of a heterodyne LDV’s signal-to-noise ratio has not been achieved so far.
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