Power spectrum analysis for optical tweezers

By Kirstine Berg-Sørensen, Henrik Flyvbjerg. 2004

948 citations recorded by the source corpus.

View Paper: https://www.semanticscholar.org/paper/bd3d7eade8f2cd7cac06e052c7da3a1a30fe953b

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Citations in the corpus

Biological measurement beyond the quantum limit (2012, background): “e quantum noise limit. It is worth noting that at low frequencies technical noise sources such as 1/f noise and laser noise are a common issue in conventionallaser based particle tracking experiments (24). By removing this noise, the 6 Frequency (Hz) 100 101 102 103 104 10 20 30 40 50 1 2 3 4 5 6 −2”
Optical manipulation of nanoparticles: a review (2008, methodology): “A popular method of detection is the imaging of the back focal plane interference pattern from the trapped object [93] onto an optoelectronic detector (quadrant photodiode or position sensitive detector) [94].”
Millikelvin cooling of an optically trapped microsphere in vacuum (2011, background): “When the microsphere is at thermal equilibrium, the power spectrum of centre-of-mass motion along each of the three fundamental mode axes i”
Multiple optical trapping and binding: new routes to self-assembly (2010, background): “Several papers elucidate the theory in this case [37, 38].”
Microrheology with optical tweezers: data analysis (2012, methodology): “where λ = κ/(6πaη) is the relaxation rate of the compound system, known as the corner frequency when the thermal fluctuations of an optically trapped bead are analysed in terms of the power spectral density [56].”
Optical trapping with structured light: a review (2021, background): “At equilibrium, the PSD is Lorentzian.48 For the particle’s x displacement, SxðfÞ ¼ 4Γ0kBT∕κ20 1þ f2∕f2c ; (6) where fc ¼ κ0∕ð2πΓ0Þ is the corner or roll-off frequency that verifies the trap stiffness.”