Microbubble Generation with Tapered Optical Fibers

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

doi:10.1364/boda.2015.jt3a.6

Cited by 2 publications

(5 citation statements)

References 10 publications

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“…This is because, as we said earlier, the light emitted is more concentrated in a smaller area. Another important fact the radius of the microbubbles have a behavior proportional to the power of generation applied, which to our knowledge does not fit the experiments carried out on optical fibers before by other authors [11,31] we dare to infer that said behavior is due to the manufacture of the tips, which are made by chemical wear, the type of laser diode used or the cleaning between test and test. Another notable fact is that at the 125 and 70.08 µm points the growth curves comply with the Plesset-Zwick theory [1].…”

Section: Growth Curvescontrasting

confidence: 67%

“…From figure 3, we can see a sample of the growth curves obtained: as can be seen by decreasing the size of the optical fibers, radii of microbubbles tend to be larger as predicted [31,33]. This is because, as we said earlier, the light emitted is more concentrated in a smaller area.…”

Section: Growth Curvesmentioning

confidence: 53%

“…It is known from studies of other authors that such changes in the geometry of the tip of the waveguide (optical fibers) can generate changes in the mode of spread, and therefore, changes in the distribution of energy (due to an increase of the energy density). This implies that the photothermal effects could be affected when the geometry of the optical fiber is modified [31,32].…”

Section: Size Of Tipsmentioning

confidence: 99%

“…We analyzed the growth curves, taking into account the radius of the microbubble first that was generated at a specific time (30 s), the measurement was performed with a software developed in OpenCV [11,31]. It was only necessary to make the conversion of units of pixels to micrometers and considering the number of frames per second.…”

Section: Growth Curvesmentioning

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 Curvescontrasting

confidence: 67%

Section: Growth Curvesmentioning

confidence: 53%

Section: Size Of Tipsmentioning

confidence: 99%

Section: Growth Curvesmentioning

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.

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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

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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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Microbubble Generation with Tapered Optical Fibers

Abstract: We present the microbubble generation using tapered optical fibers. We studied the relation of microbubble generation with experimental parameters. We report the relation of these, with size, speed of growing and lifetime of the microbubbles.

Cited by 2 publications

References 10 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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