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16 May 2012 Self-trapped beams for fabrication of optofluidic chips
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Abstract
Design, fabrication and test of an optofluidic device are presented. It is constituted of a circular waveguide crossing a fluidic channel integrated in a monolithic LiNbO3 wafer. The fluidic channel is realized by precision sawing and the optical waveguide is induced by photorefractive beam self-trapping controlled by the pyroelectric effect. The self-aligning property of this latter writing technique allows both, efficient light coupling inside the channel and light collection after channel crossing. It is shown that the refractive index of a liquid present in the fluidic channel can be accurately evaluated by simple monitoring of the light transmitted through the waveguide.
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Mathieu Chauvet, Luai Al Fares, and Fabrice Devaux "Self-trapped beams for fabrication of optofluidic chips", Proc. SPIE 8434, Nonlinear Optics and Applications VI, 84340Q (16 May 2012); https://doi.org/10.1117/12.922420
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