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New method for calibrating manometers in high- and ultrahigh-vacuum regions

✍ Scribed by V. V. Kuz'min

Publisher
Springer US
Year
1977
Tongue
English
Weight
361 KB
Volume
20
Category
Article
ISSN
0543-1972

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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