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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 15 — Aug. 1, 2003
  • pp: 1335–1337

Optical trapping microfabrication with electrophoretically delivered particles inside glass capillaries

Xin-Cheng Yao and Alonso Castro  »View Author Affiliations


Optics Letters, Vol. 28, Issue 15, pp. 1335-1337 (2003)
http://dx.doi.org/10.1364/OL.28.001335


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Abstract

We have developed a new technique for rapid microfabrication that uses electrophoretically delivered particles and an optical trap. The material particles, micrometer- and nanometer-sized polystyrene beads in aqueous solution, are continuously delivered to an optical trap by means of the electrophoretic effect inside glass capillaries or similar microstructures. The optical trap is used to manipulate and deposit the polystyrene beads onto a substrate. The continuous, on-demand delivery of particles allows for microfabrication in two and three dimensions with high speed and high efficiency and without material waste. This new technique has many potential applications in microelectronics and biotechnology.

© 2003 Optical Society of America

OCIS Codes
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(140.7010) Lasers and laser optics : Laser trapping
(230.4000) Optical devices : Microstructure fabrication

Citation
Xin-Cheng Yao and Alonso Castro, "Optical trapping microfabrication with electrophoretically delivered particles inside glass capillaries," Opt. Lett. 28, 1335-1337 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-15-1335

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