Cojoc, Danut Adrian (2007) Changes in microbubble dynamics near a boundary revealed by combined optical micromanipulation and high-speed imaging. Applied Physics Letters. (Submitted)
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Abstract
The authors report optical observations of the change in the dynamics of one and the same ultrasound contrast agent microbubble due to the influence of interfaces and neighboring bubbles. The bubble is excited by a 2.25 MHz ultrasound burst and its oscillations are recorded with an ultrahigh-speed camera at 15 million frames per second. The position of an individual bubble relative to a rigid wall or second bubble is precisely controlled using optical tweezers based on Laguerre-Gaussian laser beams [P. Prentice et al., Opt. Express 12, 593 (2004); V. Garbin et al., Jpn. J. Appl. Phys. 44, 5773 (2005)]. This allows for repeated experiments on the very same bubble and for a quantitative comparison of the effect of boundaries on bubble behavior.
| Item Type: | Article |
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| Subjects: | 600 Tecnologia - Scienze applicate 600 Tecnologia - Scienze applicate > 620 Ingegneria e attivita' affini > 621 Fisica applicata; Ingegneria meccanica > 621.3 Ingegneria elettrotecnica; Illuminazione; Superconduttivita'; Ingegneria magnetica; Ottica applicata; Tecnologia parafotica; Elettronica; Ingegneria delle comunicazioni; Elaboratori > 621.36 Ingegneria ottica (classificare qui l'Ottica applicata; le opere sulla tecnologia dell'infrarosso e dell'ultravioletto insieme) |
| Depositing User: | Dr Danut Adrian Cojoc |
| Date Deposited: | 04 Jul 2023 13:34 |
| Last Modified: | 04 Jul 2023 13:34 |
| URI: | http://eprints.bice.rm.cnr.it/id/eprint/22397 |
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