It is shown that an imaging system of a millimeter-scale ball lens made by LASFN35 glass with index $n=2.05$ at $\lambda = 480$nm contacting objects can be used to improve the resolution of cellphone-base microscopy. The resolution can be improved from ~35 $\mu m$ to ~600nm over a ~20*20 $\mu m^{2}$ field of view by real imaging through the contact ball lens. With optimization of parameters of the contact ball lenses, finer resolution can be achieved, which can lead to a wide range of applications in mobile biomedical imaging.


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    Titel :

    High-resolution label-free cellphone microscopy using contact ball lenses


    Beteiligte:
    Jin, Boya (Autor:in) / Bidney, Grant W. (Autor:in) / Anisimov, Igor (Autor:in) / Limberopoulos, Nicholaos I. (Autor:in) / Maslov, A. V. (Autor:in) / Astratov, V. N. (Autor:in)


    Erscheinungsdatum :

    16.08.2021


    Format / Umfang :

    905435 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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