Characterization of femtosecond laser written waveguides for integrated biochemical sensing


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Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Nolli, D. and Martinez-Vazquez, R. and Osellame, R. and Laporta, P. and Cerullo, G. and Pollnau, M. (2007) Characterization of femtosecond laser written waveguides for integrated biochemical sensing. In: 12th Annual Symposium IEEE/LEOS Benelux, 17-18 December 2007, Brussels, Belgium.

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Abstract:Fluorescence detection is known to be one of the most sensitive among the different optical sensing techniques. This work focuses on excitation and detection of fluorescence emitted by DNA strands labeled with fluorescent dye molecules that can be excited at a specific wavelength. Excitation occurs via optical channel waveguides written with femtosecond laser pulses applied coplanar with a microfluidic channel on a glass chip. The waveguides are optically characterized in order to facilitate the design of sensing structures which can be applied for monitoring the spatial separation of biochemical
species as a result of capillary electrophoresis.
Item Type:Conference or Workshop Item
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/64613
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