A dual beam photonic crystal fiber trap for microscopic particles

David M. Gherardi, Antonia E. Carruthers, Tomas Cizmar, Ewan M. Wright, Kishan Dholakia

    Research output: Contribution to journalArticlepeer-review

    56 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 languageEnglish
    Article numberARTN 041110
    Number of pages3
    JournalApplied Physics Letters
    Volume93
    Issue number4
    DOIs
    Publication statusPublished - 30 Jul 2008

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