Colloidal interactions with optical fields

Optical tweezers

David Mcgloin, Craig Mcdonald, Yuri Belotti

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This chapter reviews the basic physics and design of an optical tweezers system. It shows how the optical tweezers can be used in a range of studies, with emphasis on colloidal systems. The chapter examines how modern optical tweezers are able to take advantage of the ability to shape optical beams into near arbitrary shapes through a range of technological innovations from the acousto-optical modulator to the spatial light modulator. It also discusses other optical techniques that make use of radiation pressure to manipulate particles that are typically dual-beam traps and can offer some flexibility over optical tweezers for certain applications. The chapter explores the developing fields of nanoparticle manipulation, and aerosol trapping and analysis. The use of optical tweezers in colloidal science is particularly useful for the measurement of interaction forces, as opposed to adhesion, binding, or structural forces involved in biological processes.

Original languageEnglish
Title of host publicationFluids, Colloids and Soft Materials
Subtitle of host publicationAn Introduction to Soft Matter Physics
EditorsAlberto Fernandez-Nieves, Antonio Manuel Puertas
Place of PublicationUnited States
PublisherWiley-Blackwell
Pages111-130
Number of pages20
ISBN (Electronic)9781118065624
ISBN (Print)9781119220510
DOIs
Publication statusPublished - 9 May 2016

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Optical tweezers
Light modulators
Aerosols
Adhesion
Physics
Innovation
Nanoparticles
Radiation

Keywords

  • Aerosol trapping
  • Colloidal systems
  • Nanoparticle manipulation
  • Optical tweezers
  • Spatial light modulator

Cite this

Mcgloin, D., Mcdonald, C., & Belotti, Y. (2016). Colloidal interactions with optical fields: Optical tweezers. In A. Fernandez-Nieves, & A. M. Puertas (Eds.), Fluids, Colloids and Soft Materials: An Introduction to Soft Matter Physics (pp. 111-130). United States: Wiley-Blackwell. https://doi.org/10.1002/9781119220510.ch7
Mcgloin, David ; Mcdonald, Craig ; Belotti, Yuri. / Colloidal interactions with optical fields : Optical tweezers. Fluids, Colloids and Soft Materials: An Introduction to Soft Matter Physics. editor / Alberto Fernandez-Nieves ; Antonio Manuel Puertas. United States : Wiley-Blackwell, 2016. pp. 111-130
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Mcgloin, D, Mcdonald, C & Belotti, Y 2016, Colloidal interactions with optical fields: Optical tweezers. in A Fernandez-Nieves & AM Puertas (eds), Fluids, Colloids and Soft Materials: An Introduction to Soft Matter Physics. Wiley-Blackwell, United States, pp. 111-130. https://doi.org/10.1002/9781119220510.ch7

Colloidal interactions with optical fields : Optical tweezers. / Mcgloin, David; Mcdonald, Craig; Belotti, Yuri.

Fluids, Colloids and Soft Materials: An Introduction to Soft Matter Physics. ed. / Alberto Fernandez-Nieves; Antonio Manuel Puertas. United States : Wiley-Blackwell, 2016. p. 111-130.

Research output: Chapter in Book/Report/Conference proceedingChapter

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Mcgloin D, Mcdonald C, Belotti Y. Colloidal interactions with optical fields: Optical tweezers. In Fernandez-Nieves A, Puertas AM, editors, Fluids, Colloids and Soft Materials: An Introduction to Soft Matter Physics. United States: Wiley-Blackwell. 2016. p. 111-130 https://doi.org/10.1002/9781119220510.ch7