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Stiffer optical tweezers through real-time feedback control
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10.1063/1.2940339
/content/aip/journal/apl/92/22/10.1063/1.2940339
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/22/10.1063/1.2940339
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Optical and electronic setup. Components inside the dotted line are mounted inside or on the inverted microscope. Dashed lines show planes conjugate to the back-focal plane of the objective. lens, mirror, to analog converter, .

Image of FIG. 2.
FIG. 2.

Normalized bead position histograms (symbols) with Gaussian fits to data (lines).

Image of FIG. 3.
FIG. 3.

Bead position PSD data for increasing feedback gain. The theoretical PSDs, Eq. (3) , are shown as solid lines. Inset: effective trap stiffness as a function of feedback gain. Filled and open symbols show determined from Gaussian histogram fits and calculated from the PSD, respectively. The solid line shows a prediction from Eqs. (3) and (4) .

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/content/aip/journal/apl/92/22/10.1063/1.2940339
2008-06-06
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Stiffer optical tweezers through real-time feedback control
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/22/10.1063/1.2940339
10.1063/1.2940339
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