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A novel optofluidic evanescent waveguide sensor system for fluorescence spectroscopy fabricated by micro-stereolithography
In this contribution we present the design, fabrication and measurement results of an evanescent liquid-core/ liquid-cladding (L2) waveguide sensor system for on-chip fluorescence spectroscopy. To efficiently excite the sample (fluorescent particles or solutions) in the laminar flow regime a novel h...
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| creator | Rosenauer, M. Stampfl, J. Vellekoop, M.J. |
| description | In this contribution we present the design, fabrication and measurement results of an evanescent liquid-core/ liquid-cladding (L2) waveguide sensor system for on-chip fluorescence spectroscopy. To efficiently excite the sample (fluorescent particles or solutions) in the laminar flow regime a novel hydrodynamic focusing design is realized which positions the analyte in the evanescent field region at the core/cladding interface. The fiber-chip-coupled laser light is guided by the L2 waveguide and ensures a relatively uniform fluorescence excitation along the analysis channel. The chip is fabricated by rapid prototyping (micro-stereolithography) in less than 1.5 hours. |
| doi_str_mv | 10.1109/SENSOR.2009.5285424 |
| format | conference_proceeding |
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To efficiently excite the sample (fluorescent particles or solutions) in the laminar flow regime a novel hydrodynamic focusing design is realized which positions the analyte in the evanescent field region at the core/cladding interface. The fiber-chip-coupled laser light is guided by the L2 waveguide and ensures a relatively uniform fluorescence excitation along the analysis channel. The chip is fabricated by rapid prototyping (micro-stereolithography) in less than 1.5 hours.</abstract><pub>IEEE</pub><doi>10.1109/SENSOR.2009.5285424</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | ISSN: 2159-547X |
| ispartof | TRANSDUCERS 2009 - 2009 International Solid-State Sensors, Actuators and Microsystems Conference, 2009, p.718-721 |
| issn | 2159-547X |
| language | eng |
| recordid | cdi_ieee_primary_5285424 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Fiber lasers Fluorescence Fluorescence Spectroscopy Hydrodynamics L2 Waveguide Laser excitation Liquid waveguides Optical device fabrication Optical fiber sensors Optofluidic Rapid Prototyping Sensor systems Spectroscopy System-on-a-chip |
| title | A novel optofluidic evanescent waveguide sensor system for fluorescence spectroscopy fabricated by micro-stereolithography |
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