Comparison of the single beam and the standing wave trap stiffnesses

Petr Jakl; Alexandr Jonas; Ernst-Ludwig Florin; Pavel Zemanek

doi:10.1117/12.417851

7 March 2001 Comparison of the single beam and the standing wave trap stiffnesses

Petr Jakl, Alexandr Jonas, Ernst-Ludwig Florin, Pavel Zemanek

Proceedings Volume 4356, 12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; (2001) https://doi.org/10.1117/12.417851
Event: 12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2000, Velke Losiny, Czech Republic

Abstract

The harmonic nature of the potential well for the small displacement of the probe from its equilibrium position allows us to classify the trap characteristics with three independent spring constants. These can be obtained from the spectral analysis of the thermal noise of the particle position. Probe position in all three dimensions is monitored with a single quadrant photodiode placed in the back focal plane of the microscope condenser. Experimental results of the trap stiffness measurements are presented.

Citation Download Citation

Petr Jakl, Alexandr Jonas, Ernst-Ludwig Florin, and Pavel Zemanek "Comparison of the single beam and the standing wave trap stiffnesses", Proc. SPIE 4356, 12th Czech-Slovak-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, (7 March 2001); https://doi.org/10.1117/12.417851

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