Dynamical study of microbubble formation in thinned optical fiber tips

Villegas-Sánchez, Gabriela; Cerecedo-Núñez, Héctor H.; Padilla-Sosa, P.; Marı́n-Hernández, Antonio

doi:10.1117/1.oe.58.7.077107

Cited by 2 publications

(6 citation statements)

References 23 publications

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“…All these results correspond to a situation in which can be reached a great number of microbubbles in a short time (figures 3(c) and (d)) at a deposit power of 127.75 µm. It also is clear that is possible to get microbubbles with a huge radius, up to 400 µm, than earlier reports [9,26], see figure 4.…”

Section: Growth Curvesmentioning

confidence: 59%

“…The advantages and applications to use a modified optical fiber tip, for microbubbles formation are well known [9,22]. However, here we report for the first time to the best of our knowledge; the microbubble on the optical fiber end faces; using chemically worn optical fibers; working with the thinnest tips we know in the literature (until 7.58 µm in diameter).…”

Section: Introductionmentioning

confidence: 73%

“…The dynamics of microbubbles is very important [9], the study of microbubbles are made in a time of 30 s of video for each test. We choose this time just as enough time to analyze.…”

Section: Resultsmentioning

confidence: 99%

“…Here, the mechanism for bubble formation is mainly driven by optical absorption, produced in the neighbourhood of the fiber tip, coated with nanostructures, which leads to thermal effects yielding gas-vapor bubbles [7]. Fiber tips coated with nanostructures are created using a simple technique based on immersing the optical fiber in a suspension of nanoparticles [7][8][9]. This procedure is based on the photothermal effect; which is carried out when carbon or another type of nanostructure set up a coating, on the end face tip of the optical fiber; so when interacting with the laser light, obtained is a microheater capable of generating heat, in a very focused area, and generating microbubbles [6,7].…”

Section: Introductionmentioning

confidence: 99%

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Microbubbles with optical fiber tips chemically worn

Villegas-Sánchez¹,

Cerecedo-Núñez²,

García-Ramírez³

et al. 2020

J. Phys. D: Appl. Phys.

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This research shows an experimental study and analysis on microbubbles formation, through the use of chemically modified optical fiber tips. Microbubbles are formed in highly absorbent liquid using a continuous wave laser at 980 nm, with conventional powers. This report is considered, as the first study and dynamic analysis for microbubble formation in solution with these particular types of tips. Fiber tips are modified by the chemical wear method, using hydrofluoric acid, while, microbubbles are generated with the help of the deposition or adhesion of nanostructures on the modified tips. We have used carbon nanotubes dissolved in ethanol as nanostructures. We present an analysis of the results considering: the growth curves of the microbubbles, the largest radii, the lifetime and the growth rate. Finally, we discuss the important features of results, suggesting a possible way to control the size and number of microbubbles. Furthermore, the results of our research could be useful to improve the proposals of earlier applications or to propose new ones. The results shown can be useful for new applications or to improve proposals.

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Section: Growth Curvesmentioning

confidence: 59%

Section: Introductionmentioning

confidence: 73%

“…The dynamics of microbubbles is very important [9], the study of microbubbles are made in a time of 30 s of video for each test. We choose this time just as enough time to analyze.…”

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Microbubbles with optical fiber tips chemically worn

Villegas-Sánchez¹,

Cerecedo-Núñez²,

García-Ramírez³

et al. 2020

J. Phys. D: Appl. Phys.

View full text Add to dashboard Cite

show abstract

“…The observations did use a standard single-mode optical fiber and near-infrared radiation (980nm, 200mW) [1][2][3][4][5], see Figure 2a.…”

Section: Discussionmentioning

confidence: 99%

Optical fiber and the microscopic interactions of light with matter

Cerecedo-Núñez,

Padilla-Sosa

2023

Optical Trapping and Optical Micromanipulation XX

Self Cite

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Microscopic laser light interaction with matter has many consequences. That result depends on many factors: the medium, the matter involved, the light intensity, the wavelength, and the many ways of light, among others. In this contribution, we are going to discuss several results observed when light interacts with matter under different conditions. The observation did use a standard optical fiber and near-infrared radiation. We are going to discuss the basic linear and angular momentum transference, optical trapping; light energy conversions, such as absorption, heating, photochemical reactions, and micro-thermocavitation.

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Dynamical study of microbubble formation in thinned optical fiber tips

Cited by 2 publications

References 23 publications

Microbubbles with optical fiber tips chemically worn

Microbubbles with optical fiber tips chemically worn

Optical fiber and the microscopic interactions of light with matter

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