A dual beam photonic crystal fiber trap for microscopic particles

David M. Gherardi; Antonia E. Carruthers; Tomáš Čižmár; Ewan M. Wright; Kishan Dholakia

doi:10.1063/1.2955518

A dual beam photonic crystal fiber trap for microscopic particles

David M. Gherardi, Antonia E. Carruthers, Tomáš Čižmár, Ewan M. Wright, Kishan Dholakia

Department of Physics

Research output: Contribution to journal › Article › peer-review

55 Citations (Scopus)

Abstract

The dual beam counterpropagating optical trap has found increased use in studies such as optical stretching, optical binding, Raman spectroscopy, and the trapping of high index particles. In this letter we demonstrate the use of photonic crystal fiber to realize a long range dual beam trap that may support multiple wavelengths simultaneously. We develop a dual wavelength conveyor belt for trapped particles and realize the first ever dual beam white light (supercontinuum) trap. This low coherence light trap permits long range longitudinal optical binding of microparticles in the trap with no deleterious interference effects.

Original language	English
Article number	041110
Journal	Applied Physics Letters
Volume	93
Issue number	4
DOIs	https://doi.org/10.1063/1.2955518
Publication status	Published - 2008

Bibliographical note

Funding Information:
D.M.G., A.E.C. and T.C. contributed equally to the work presented. We thank R. Marchington, K. Metzger, and K. M. Tan for useful discussions and advice, D. M. McGloin for the loan of a NIR laser, and the UK Engineering and Physical Sciences Research Council for funding. E.M.W. is funded in part by the Joint Services Optical Program (JSOP).

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.2955518

Cite this

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AU - Dholakia, Kishan

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AB - The dual beam counterpropagating optical trap has found increased use in studies such as optical stretching, optical binding, Raman spectroscopy, and the trapping of high index particles. In this letter we demonstrate the use of photonic crystal fiber to realize a long range dual beam trap that may support multiple wavelengths simultaneously. We develop a dual wavelength conveyor belt for trapped particles and realize the first ever dual beam white light (supercontinuum) trap. This low coherence light trap permits long range longitudinal optical binding of microparticles in the trap with no deleterious interference effects.

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A dual beam photonic crystal fiber trap for microscopic particles

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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