Free space top-down illumination of liquid-core waveguides in an optofluidic chip is implemented by milling slits into a metal layer covering the waveguide channel. Detection of single microbeads with excellent signal-to-noise ratio is demonstrated for different milling depths.
Elena Titova, Dmitry Mylnikov, M. A. Kashchenko, Ilya V. Safonov, Sergey S. Zhukov, K. R. Dzhikirba, Konstantin ‘kostya’ Novoselov, D. A. Bandurin, Georgy Alymov, Dmitry Svintsov
Elena Titova, Dmitry Mylnikov, M. A. Kashchenko, Sergey S. Zhukov, K. R. Dzhikirba, Konstantin ‘kostya’ Novoselov, D. A. Bandurin, Georgy Alymov, Dmitry Svintsov
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