Parallel transport of biological cells using individually addressable VCSEL arrays as optical tweezers

Richard A. Flynn, Aaron L. Birkbeck, Matthias Gross, Mihrimah Ozkan, Bing Shao, Mark M. Wang, Sadik Esener

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

We have demonstrated the use of vertical cavity surface emitting lasers (VCSELs) for optical trapping and active manipulation of live biological cells and microspheres. We have experimentally verified that the Laguerre-Gaussian laser mode output from the VCSEL functions just as well as the traditional Gaussian fundamental laser mode for optically trapping biological cells and may be preferable since the highest intensity of the Laguerre-Gaussian mode is located at the outer ring of the optical aperture, which allows for stronger optical confinement to be obtained for a lower total power. Another advantage that VCSELs have over conventional gas and diode lasers is their ability to be manufactured in an array form. Using a 2 × 2 array of VCSELs, the simultaneous and independent transport of four human red blood cells is demonstrated indicating that much larger two-dimensional VCSEL arrays can be used as individually addressable optical tweezers in biological chips and systems. This parallel transport capability will have a significant impact in currently developing biochip array and assay technologies through the facilitation of the selection, relocation, and precision placement of cells.

Original languageEnglish (US)
Pages (from-to)239-243
Number of pages5
JournalSensors and Actuators, B: Chemical
Volume87
Issue number2
DOIs
StatePublished - Dec 10 2002
Externally publishedYes

Fingerprint

Optical tweezers
laser arrays
Surface emitting lasers
surface emitting lasers
cavities
laser modes
Laser modes
trapping
Biochips
Gas lasers
relocation
Relocation
gas lasers
erythrocytes
Microspheres
Semiconductor lasers
manipulators
Assays
Blood
apertures

Keywords

  • Cell analysis
  • Optical trapping
  • Optical tweezers
  • Vertical cavity surface emitting lasers

ASJC Scopus subject areas

  • Analytical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

Cite this

Parallel transport of biological cells using individually addressable VCSEL arrays as optical tweezers. / Flynn, Richard A.; Birkbeck, Aaron L.; Gross, Matthias; Ozkan, Mihrimah; Shao, Bing; Wang, Mark M.; Esener, Sadik.

In: Sensors and Actuators, B: Chemical, Vol. 87, No. 2, 10.12.2002, p. 239-243.

Research output: Contribution to journalArticle

Flynn, Richard A. ; Birkbeck, Aaron L. ; Gross, Matthias ; Ozkan, Mihrimah ; Shao, Bing ; Wang, Mark M. ; Esener, Sadik. / Parallel transport of biological cells using individually addressable VCSEL arrays as optical tweezers. In: Sensors and Actuators, B: Chemical. 2002 ; Vol. 87, No. 2. pp. 239-243.
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