Optical trapping of individual magnetic nanoparticles

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Optical trapping of individual magnetic nanoparticles. / Samadi, Akbar; Wang, Mengting; Yang, Yanlian; Oddershede, Lene B.

Optical Trapping and Optical Micromanipulation XV. Bind 10723 SPIE - International Society for Optical Engineering, 2018. 107230E (Proceedings of SPIE).

Publikation: Bidrag til bog/antologi/rapport › Konferencebidrag i proceedings › Forskning › fagfællebedømt

Harvard

Samadi, A, Wang, M, Yang, Y & Oddershede, LB 2018, Optical trapping of individual magnetic nanoparticles. i Optical Trapping and Optical Micromanipulation XV. bind 10723, 107230E, SPIE - International Society for Optical Engineering, Proceedings of SPIE. https://doi.org/10.1117/12.2324124

APA

Samadi, A., Wang, M., Yang, Y., & Oddershede, L. B. (2018). Optical trapping of individual magnetic nanoparticles. I Optical Trapping and Optical Micromanipulation XV (Bind 10723). [107230E] SPIE - International Society for Optical Engineering. Proceedings of SPIE https://doi.org/10.1117/12.2324124

Vancouver

Samadi A, Wang M, Yang Y, Oddershede LB. Optical trapping of individual magnetic nanoparticles. I Optical Trapping and Optical Micromanipulation XV. Bind 10723. SPIE - International Society for Optical Engineering. 2018. 107230E. (Proceedings of SPIE). https://doi.org/10.1117/12.2324124

Author

Samadi, Akbar ; Wang, Mengting ; Yang, Yanlian ; Oddershede, Lene B. / Optical trapping of individual magnetic nanoparticles. Optical Trapping and Optical Micromanipulation XV. Bind 10723 SPIE - International Society for Optical Engineering, 2018. (Proceedings of SPIE).

Bibtex

@inproceedings{acf1c87bab1b4dff8af0efdaa45fd308,
title = "Optical trapping of individual magnetic nanoparticles",
abstract = "Due to their unique properties, magnetic nanoparticles, often made of iron oxides, have received significant attention in chemistry, solid state physics, and the life sciences. Although a magnetic field is the most obvious mean by which one can manipulate magnetic nanoparticles, we here demonstrate that magnetic nanoparticles can be individually controlled by optical manipulation. We quantify the interaction of optically trapped individual magnetic nanoparticles with the electrical field by determining the spring constant. Also, by finite element modeling we determine the extinction, scattering and absorption cross sections of magnetic nanoparticles as well as the real and imaginary parts of their complex polarizability. In comparison to magnetic manipulation, optical manipulation has the advantage, due to the tight focusing of the laser beam, that it allows for manipulation of a single particle at a time. Also, one can imagine applications where it is advantageous to employ both magnetic and optical manipulations simultaneously.",
keywords = "Optical trapping, magnetic nanoparticle, maghemite, Fe2O3, optical cross-sections, polarizability",
author = "Akbar Samadi and Mengting Wang and Yanlian Yang and Oddershede, {Lene B.}",
year = "2018",
month = aug,
day = "19",
doi = "10.1117/12.2324124",
language = "English",
volume = "10723",
series = "Proceedings of SPIE",
publisher = "SPIE - International Society for Optical Engineering",
booktitle = "Optical Trapping and Optical Micromanipulation XV",

}

RIS

TY - GEN

T1 - Optical trapping of individual magnetic nanoparticles

AU - Samadi, Akbar

AU - Wang, Mengting

AU - Yang, Yanlian

AU - Oddershede, Lene B.

PY - 2018/8/19

Y1 - 2018/8/19

N2 - Due to their unique properties, magnetic nanoparticles, often made of iron oxides, have received significant attention in chemistry, solid state physics, and the life sciences. Although a magnetic field is the most obvious mean by which one can manipulate magnetic nanoparticles, we here demonstrate that magnetic nanoparticles can be individually controlled by optical manipulation. We quantify the interaction of optically trapped individual magnetic nanoparticles with the electrical field by determining the spring constant. Also, by finite element modeling we determine the extinction, scattering and absorption cross sections of magnetic nanoparticles as well as the real and imaginary parts of their complex polarizability. In comparison to magnetic manipulation, optical manipulation has the advantage, due to the tight focusing of the laser beam, that it allows for manipulation of a single particle at a time. Also, one can imagine applications where it is advantageous to employ both magnetic and optical manipulations simultaneously.

AB - Due to their unique properties, magnetic nanoparticles, often made of iron oxides, have received significant attention in chemistry, solid state physics, and the life sciences. Although a magnetic field is the most obvious mean by which one can manipulate magnetic nanoparticles, we here demonstrate that magnetic nanoparticles can be individually controlled by optical manipulation. We quantify the interaction of optically trapped individual magnetic nanoparticles with the electrical field by determining the spring constant. Also, by finite element modeling we determine the extinction, scattering and absorption cross sections of magnetic nanoparticles as well as the real and imaginary parts of their complex polarizability. In comparison to magnetic manipulation, optical manipulation has the advantage, due to the tight focusing of the laser beam, that it allows for manipulation of a single particle at a time. Also, one can imagine applications where it is advantageous to employ both magnetic and optical manipulations simultaneously.

KW - Optical trapping

KW - magnetic nanoparticle

KW - maghemite

KW - Fe2O3

KW - optical cross-sections

KW - polarizability

U2 - 10.1117/12.2324124

DO - 10.1117/12.2324124

M3 - Article in proceedings

VL - 10723

T3 - Proceedings of SPIE

BT - Optical Trapping and Optical Micromanipulation XV

PB - SPIE - International Society for Optical Engineering

ER -

ID: 221834802