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Laser-induced bubble dynamics inside and near a gap between a rigid boundary and an elastic membrane
ID
Horvat, Darja
(
Author
),
ID
Orthaber, Uroš
(
Author
),
ID
Schille, J.
(
Author
),
ID
Hartwig, L.
(
Author
),
ID
Löschner, Udo
(
Author
),
ID
Vrečko, Andrej
(
Author
),
ID
Petkovšek, Rok
(
Author
)
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MD5: 32C3796B0EDE4918554FAADCC5922F7C
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https://www.sciencedirect.com/science/article/pii/S0301932216304098
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Abstract
Aspects of laser-induced bubble dynamics in sample geometry closely resembling intraocular environment were studied. Laser pulses with a few millijoules of energy were focused into the sample, producing optical breakdown followed by formation of single bubbles. The sample consisted of a piece of polymethyl methacrylate (PMMA) material and a thin polyethylene (PE) elastic membrane which was carefully positioned parallel to the flat PMMA surface, creating a small and adjustable gap between them. The arrangement was placed in distilled water. Such geometry is frequently encountered in ophthalmology, specifically in posterior capsulotomy where there is a gap present between the intraocular lens and the posterior capsule. The formation and evolution of the laser-induced bubble was recorded with a high speed camera for different positions of the laser focus, i.e. inside the gap as well as outside the gap, in the water. The bubble dynamics was compared to the dynamics of the bubbles created near a rigid boundary alone and near an elastic membrane alone. The comparison showed that the evolution of the bubble created inside the gap can be described as a combination of the features which are characteristic for the rigid boundary and the elastic membrane cases, depending on relative dimensions of the gap and the bubble and on their relative positions. Possible influence on related medical procedures is discussed.
Language:
English
Keywords:
bubble dynamics
,
laser induced bubble
,
boundary
,
membrane
,
gap
,
high speed photography
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FS - Faculty of Mechanical Engineering
Publication status:
Published
Publication version:
Author Accepted Manuscript
Year:
2018
Number of pages:
Str. 119-126
Numbering:
Vol. 100
PID:
20.500.12556/RUL-100901
UDC:
535(045)
ISSN on article:
0301-9322
DOI:
10.1016/j.ijmultiphaseflow.2017.12.010
COBISS.SI-ID:
15859483
Publication date in RUL:
19.04.2018
Views:
2219
Downloads:
631
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Record is a part of a journal
Title:
International journal of multiphase flow
Shortened title:
Int. j. multiph. flow
Publisher:
Elsevier
ISSN:
0301-9322
COBISS.SI-ID:
25649408
Secondary language
Language:
Slovenian
Keywords:
dinamika mehurčka
,
lasersko induciran mehurček
,
membrana
,
reža
,
slikanje z visoko hitrostjo
Projects
Funder:
ARRS - Slovenian Research Agency
Project number:
P2-0392, P2-0270, L2-6780, L2-8183
Name:
Optodinamika, Proizvodni sistemi, laserske tehnologije in spajanje materialov, Hibridni ps laser velikih moči, Visoko prilagodljivi vlakenski laserji velikih moči za uporabo v industriji
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