Size resolution with Light Induced Dielectrophoresis (LIDEP)

Steven L. Neale; Michael Mazilu; Michael P. MacDonald; J. I B Wilson; Kishan Dholakia; Thomas F. Krauss

doi:10.1117/12.679440

Size resolution with Light Induced Dielectrophoresis (LIDEP)

Steven L. Neale, Michael Mazilu, Michael P. MacDonald, J. I B Wilson, Kishan Dholakia, Thomas F. Krauss

School of Engineering & Physical Sciences

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

7 Citations (Scopus)

Abstract

We present a study into the small particle size and resolution limits of Light Induced Dielectrophoresis (LIDEP). Here the illumination of a photoconductive layer creates virtual electrodes whose associated electric field gradients cause the dielectrophoretic response of the particles. In this way a potential energy landscape can be created that is optically controlled giving reconfigurable control over a large area [1]. In this paper we discuss the interlinked limits of size of particle it is possible to manipulate and the resolution these particles can be manipulated with. We compare traditional dielectrophoresis (DEP) experiments with LIDEP experiments, and discuss the mechanisms behind the physical limits comparing the effects of carrier diffusion verses the spreading of the electric fields in the medium.

Original language	English
Title of host publication	Optical Trapping and Optical Micromanipulation III
Volume	6326
DOIs	https://doi.org/10.1117/12.679440
Publication status	Published - 2006
Event	Interferometry XIII: Techniques and Analysis - San Diego, CA, United States Duration: 14 Aug 2006 → 16 Aug 2006

Conference

Conference	Interferometry XIII: Techniques and Analysis
Country/Territory	United States
City	San Diego, CA
Period	14/08/06 → 16/08/06

Keywords

Light induced dielectrophoresis (LIDEP)
Optical tweezers
Optoelectronic tweezers

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10.1117/12.679440

Cite this

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title = "Size resolution with Light Induced Dielectrophoresis (LIDEP)",

abstract = "We present a study into the small particle size and resolution limits of Light Induced Dielectrophoresis (LIDEP). Here the illumination of a photoconductive layer creates virtual electrodes whose associated electric field gradients cause the dielectrophoretic response of the particles. In this way a potential energy landscape can be created that is optically controlled giving reconfigurable control over a large area [1]. In this paper we discuss the interlinked limits of size of particle it is possible to manipulate and the resolution these particles can be manipulated with. We compare traditional dielectrophoresis (DEP) experiments with LIDEP experiments, and discuss the mechanisms behind the physical limits comparing the effects of carrier diffusion verses the spreading of the electric fields in the medium.",

keywords = "Light induced dielectrophoresis (LIDEP), Optical tweezers, Optoelectronic tweezers",

author = "Neale, {Steven L.} and Michael Mazilu and MacDonald, {Michael P.} and Wilson, {J. I B} and Kishan Dholakia and Krauss, {Thomas F.}",

year = "2006",

doi = "10.1117/12.679440",

language = "English",

isbn = "0819464058",

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note = "Interferometry XIII: Techniques and Analysis ; Conference date: 14-08-2006 Through 16-08-2006",

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T1 - Size resolution with Light Induced Dielectrophoresis (LIDEP)

AU - Neale, Steven L.

AU - Mazilu, Michael

AU - MacDonald, Michael P.

AU - Wilson, J. I B

AU - Dholakia, Kishan

AU - Krauss, Thomas F.

PY - 2006

Y1 - 2006

N2 - We present a study into the small particle size and resolution limits of Light Induced Dielectrophoresis (LIDEP). Here the illumination of a photoconductive layer creates virtual electrodes whose associated electric field gradients cause the dielectrophoretic response of the particles. In this way a potential energy landscape can be created that is optically controlled giving reconfigurable control over a large area [1]. In this paper we discuss the interlinked limits of size of particle it is possible to manipulate and the resolution these particles can be manipulated with. We compare traditional dielectrophoresis (DEP) experiments with LIDEP experiments, and discuss the mechanisms behind the physical limits comparing the effects of carrier diffusion verses the spreading of the electric fields in the medium.

AB - We present a study into the small particle size and resolution limits of Light Induced Dielectrophoresis (LIDEP). Here the illumination of a photoconductive layer creates virtual electrodes whose associated electric field gradients cause the dielectrophoretic response of the particles. In this way a potential energy landscape can be created that is optically controlled giving reconfigurable control over a large area [1]. In this paper we discuss the interlinked limits of size of particle it is possible to manipulate and the resolution these particles can be manipulated with. We compare traditional dielectrophoresis (DEP) experiments with LIDEP experiments, and discuss the mechanisms behind the physical limits comparing the effects of carrier diffusion verses the spreading of the electric fields in the medium.

KW - Light induced dielectrophoresis (LIDEP)

KW - Optical tweezers

KW - Optoelectronic tweezers

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DO - 10.1117/12.679440

M3 - Conference contribution

SN - 0819464058

SN - 9780819464057

VL - 6326

BT - Optical Trapping and Optical Micromanipulation III

T2 - Interferometry XIII: Techniques and Analysis

Y2 - 14 August 2006 through 16 August 2006

ER -

Size resolution with Light Induced Dielectrophoresis (LIDEP)

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Keywords

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