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Related Experiment Video

Updated: May 23, 2026

Implementation of a Reference Interferometer for Nanodetection
16:11

Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

Microbubble generation using fiber optic tips coated with nanoparticles.

Reinher Pimentel-Domínguez1, Juan Hernández-Cordero, Roberto Zenit

  • 1Instituto de Investigaciones en Materiales, UNAM, A.P. 70-360 Circuito Exterior, Cd. Universitaria, México, D. F., 04510, México.

Optics Express
|April 20, 2012
PubMed
Summary
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Fiber optic tips with nanoparticle coatings generate microbubbles in liquids using low optical power. Optimizing these coatings is key for effective microbubble generation and probe performance.

Area of Science:

  • Optics and Photonics
  • Materials Science
  • Fluid Dynamics

Background:

  • Microbubble generation is crucial for various applications, including medical imaging and drug delivery.
  • Existing microbubble generation methods often require high optical powers or complex setups.
  • Nanoparticle-enhanced photothermal effects offer a potential route to efficient microbubble generation.

Purpose of the Study:

  • To demonstrate the use of fiber optic tips as microbubble generators.
  • To investigate the role of nanoparticle coatings in enhancing photothermal effects for bubble generation.
  • To analyze the hydrodynamic and thermal effects associated with the microbubble generation process.

Main Methods:

  • Standard single-mode silica fibers were coated with nanoparticles (carbon and metallic powders).

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Related Experiment Videos

Last Updated: May 23, 2026

Implementation of a Reference Interferometer for Nanodetection
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Implementation of a Reference Interferometer for Nanodetection

Published on: April 26, 2014

Development of Whispering Gallery Mode Polymeric Micro-optical Electric Field Sensors
08:32

Development of Whispering Gallery Mode Polymeric Micro-optical Electric Field Sensors

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  • Low optical powers were applied to the coated fiber tips in liquid media.
  • Flow visualization techniques were employed to observe bubble generation, growth, and surrounding hydrodynamic effects.

    • Main Results:

    • Fiber optic tips coated with nanoparticles successfully generated microbubbles at low optical powers.
    • Enhanced photothermal effects from nanoparticle coatings significantly contributed to bubble formation.
    • Hydrodynamic and thermal effects near the fiber tip were characterized during bubble generation and growth.

    Conclusions:

    • Fiber optic tips incorporating nanoparticles are effective microbubble generators.
    • Nanoparticle coating optimization is critical for achieving high performance in these microbubble generation probes.
    • This technique offers a promising, low-power method for microbubble generation in various liquid media.