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Opto-thermophoretic fiber tweezers
Abhay Kotnala1, Yuebing Zheng1
1Department of Mechanical Engineering, Materials Science and Engineering Program and Texas Materials Institute, The University of Texas at Austin, Austin, TX 78712, USA.
Nanophotonics (Berlin, Germany)
|July 22, 2021
Summary
Opto-thermophoretic fiber tweezers (OTFT) enhance nanoparticle manipulation for diverse applications. This versatile platform enables concentration, delivery, and probing, advancing fields like nanomanufacturing and biosensing.
Area of Science:
- Optics and Photonics
- Nanotechnology
- Materials Science
Background:
- Opto-thermophoretic tweezers offer low-power nanoparticle manipulation for applications in colloidal assembly, nanomanufacturing, life sciences, and nanomedicine.
- Enhancing the versatility of these tweezers is crucial for broader adoption and advanced applications.
Purpose of the Study:
- To develop a more versatile nanoparticle manipulation platform by integrating opto-thermophoretic tweezers onto an optical fiber.
- To demonstrate the capabilities of the novel opto-thermophoretic fiber tweezers (OTFT) for various nanoscale tasks.
Main Methods:
- Development of opto-thermophoretic fiber tweezers (OTFT) by translating existing opto-thermophoretic tweezer technology onto an optical fiber platform.
- Experimental demonstration of OTFT functionalities including nanoparticle concentration, single particle delivery (nanopipette), and nanoprobe applications.
Main Results:
- Successful implementation of opto-thermophoretic tweezers on an optical fiber platform, creating OTFT.
- Demonstrated OTFT as an effective nanoparticle concentrator.
- Showcased OTFT's capability as a nanopipette for precise single particle delivery.
- Validated OTFT's utility as a nanoprobe for nanoscale investigations.
Conclusions:
- The developed opto-thermophoretic fiber tweezers (OTFT) offer a simple yet versatile platform for nanoparticle manipulation.
- OTFT's functional versatility is expected to drive its adoption in additive manufacturing, single nanoparticle-cell interactions, and biosensing.
- This technology advances low-power nanoparticle manipulation, opening new possibilities in nanotechnology and related scientific fields.
