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National Repository of Grey Literature 33 records found  beginprevious31 - 33  jump to record: Search took 0.01 seconds. 
Study of the Behaviour of Microparticle in the Standing Wave Trap
 Ježek, Jan ; Jonáš, Alexandr ; Zemánek, Pavel ; Liška, M.
The basic behavior of microparticles placed in the Gaussian standing wave is studied theoretically and experimentally in this article. It is shown that the optical force depends periodically on the particle size and, as the consequence, the equilibrium object position is alternating between the standing wave antinodes and nodes. For certain particle sizes, the particle confinement is disabled. Experimental confirmation of the theoretical results is briefly discussed.
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Measurement of the Optical Trap Stiffness
 Jákl, Petr ; Jonáš, Alexandr ; Zemánek, Pavel ; Liška, M.
An optical trap for dielectric microparticles is usually approximated by a parabolic potential well, whose profile is characterized by a single constant - trap stiffness. This stiffness can be estimated using several methods, including Fourier spectral analysis of the thermal noise of the trapped particle position, or method based on equipartition theorem. The principles of the trap calibration and experimental results are presented.
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Electronics for Lens Positioning in Optical Tweezers
 Číp, Ondřej ; Mikel, Břetislav
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National Repository of Grey Literature : 33 records found   beginprevious31 - 33  jump to record:
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