Micrqmanipulation: Optoelectronic tweezers

Research output: Contribution to journalReview article

14 Citations (Scopus)

Abstract

A low-power light image projected on a photoconductive layer can initiate non-uniform electric fields over a large area, and allow the manipulation and sorting of particles without wires and electrodes and in the absence of flow. A potentially revolutionary method of moving objects that retains much of the flexibility of optical tweezers combines the reconfigurability of light patterns with the power of dielectrophoresis. The pertinent point is reconfigurability where the absence of wires means freedom to illuminate a large area and change landscape in which microscopic objects can be arranged at will. The new optoelectronic tweezers are likely to facilitate new and exciting investigations.

Original languageEnglish
Pages (from-to)579-580
Number of pages2
JournalNature materials
Volume4
Issue number8
DOIs
Publication statusPublished - 2005 Aug

Fingerprint

Optoelectronic devices
wire
Wire
Optical tweezers
classifying
Electrophoresis
Sorting
manipulators
flexibility
Electric fields
Electrodes
electrodes
electric fields

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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Micrqmanipulation : Optoelectronic tweezers. / Dholakia, Kishan.

In: Nature materials, Vol. 4, No. 8, 08.2005, p. 579-580.

Research output: Contribution to journalReview article

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AB - A low-power light image projected on a photoconductive layer can initiate non-uniform electric fields over a large area, and allow the manipulation and sorting of particles without wires and electrodes and in the absence of flow. A potentially revolutionary method of moving objects that retains much of the flexibility of optical tweezers combines the reconfigurability of light patterns with the power of dielectrophoresis. The pertinent point is reconfigurability where the absence of wires means freedom to illuminate a large area and change landscape in which microscopic objects can be arranged at will. The new optoelectronic tweezers are likely to facilitate new and exciting investigations.

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