This work presents a reconfigurable opto-microfluidic coupling between optical waveguides and tilted microfluidic channels in monolithic lithium niobate crystal. The light path connecting two waveguide arrays located on opposite sides of a microfluidic channel depends on the refractive index between the liquid phase and the hosting crystal. As a result, the optical properties of the flowing fluid, which is pumped into the microfluidic channel on demand, can be exploited to control the light pathways inside the optofluidic device. Proof-of-concept applications are herein presented, including microfluidic optical waveguide switching, optical refractive index sensing, and wavelength demultiplexing.
Opto-microfluidic coupling between optical waveguides and tilted microchannels in lithium niobate / Zamboni, R.; Gauthier-Manuel, L.; Zaltron, A.; Lucchetti, L.; Chauvet, M.; Sada, C.. - In: OPTICS EXPRESS. - ISSN 1094-4087. - 31:17(2023), pp. 28423-28436. [10.1364/OE.495406]
Opto-microfluidic coupling between optical waveguides and tilted microchannels in lithium niobate
Lucchetti L.;
2023-01-01
Abstract
This work presents a reconfigurable opto-microfluidic coupling between optical waveguides and tilted microfluidic channels in monolithic lithium niobate crystal. The light path connecting two waveguide arrays located on opposite sides of a microfluidic channel depends on the refractive index between the liquid phase and the hosting crystal. As a result, the optical properties of the flowing fluid, which is pumped into the microfluidic channel on demand, can be exploited to control the light pathways inside the optofluidic device. Proof-of-concept applications are herein presented, including microfluidic optical waveguide switching, optical refractive index sensing, and wavelength demultiplexing.File | Dimensione | Formato | |
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