http://www.cnr.it/ontology/cnr/individuo/prodotto/ID1776

Parametric resonance of optically trapped aerosols (Articolo in rivista)

Type

Label

Parametric resonance of optically trapped aerosols (Articolo in rivista) (literal)

Anno

Alternative label

Di Leonardo, R; Ruocco, G; Leach, J; Padgett, MJ; Wright, AJ; Girkin, JM; Burnham, DR; McGloin, D (2007)
Parametric resonance of optically trapped aerosols
in Physical review letters (Print)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

Di Leonardo, R; Ruocco, G; Leach, J; Padgett, MJ; Wright, AJ; Girkin, JM; Burnham, DR; McGloin, D (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

Rivista

Note

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

Univ Roma La Sapienza, INFM, CRS SOFT, I-00185 Rome, Italy; Univ Glasgow, SUPA, Dept Phys & Astron, Glasgow, Lanark, Scotland; Univ Strathclyde, Inst Photon, SUPA, Glasgow, Lanark, Scotland; Univ St Andrews, Sch Phys & Astron, SUPA, St Andrews, Fife, Scotland; Univ Dundee, Elect Engn & Phys Div, Dundee, Scotland (literal)

Titolo

Abstract

The Brownian dynamics of an optically trapped water droplet are investigated across the transition from over- to underdamped oscillations. The spectrum of position fluctuations evolves from a Lorentzian shape typical of overdamped systems (beads in liquid solvents) to a damped harmonic oscillator spectrum showing a resonance peak. In this later underdamped regime, we excite parametric resonance by periodically modulating the trapping power at twice the resonant frequency. The power spectra of position fluctuations are in excellent agreement with the obtained analytical solutions of a parametrically modulated Langevin equation. (literal)

Prodotto di