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A new detector for true multiplane scanning and measurement of absolute local activity

✍ Scribed by Y. Petit-Clerc

Publisher
Elsevier Science
Year
1971
Weight
427 KB
Volume
97
Category
Article
ISSN
0029-554X

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New calibration method for position dete
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We present a new method to calibrate a quadrant photodiode used as position detector to monitor latex beads trapped in optical tweezers. The method combines the dragging StokeΓ•s force with the thermal noise analysis (power spectral density (PSD)) of the Brownian motion of the trapped bead. Position