Propagations of coherent and partially coherent flat-topped beams through a focusing optical system are formulated. The radiation force on a Rayleigh dielectric sphere induced by focused coherent and partially coherent flat-topped beams is investigated theoretically. It is found that we can increase the transverse trapping range at the planes near the focal plane by increasing the flatness (i.e., beam order) of the flat-topped beam, and we can increase the transverse and longitudinal trapping ranges at the focal plane by decreasing the initial coherence of the flat-topped beam. The trapping stability is also analyzed.


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    Title :

    Radiation force of coherent and partially coherent flat-topped beams on a Rayleigh particle


    Contributors:


    Publication date :

    2008-12-01


    Size :

    438003 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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