Optical displacement transducer with pulsed pump for experiments with probe bodiesстатья
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Дата последнего поиска статьи во внешних источниках: 12 октября 2013 г.
Аннотация:The sensitivity of the displacement transducer pumped with a train of
high-intensity laser pulses is estimated. Due to the multicomponent character of the pump a
consideration of transformations of the signal and the noises between optical modes plays an
important role in estimation of the potential sensitivity. An expression for the minimal
detectable external classical force resembles those for the continuous wave pumping with
substitution of the laser power by a time-averaged power of pulsed laser. A possible scheme
for back-action noise compensation for such transducers is considered. For full suppression
of back-action noise the field of local oscillator has to be pulsed with the same time
dependence as the pump field.