Self-trapped beams for fabrication of optofluidic chips

Mathieu Chauvet; Luai Al Fares; Fabrice Devaux

doi:10.1117/12.922420

16 May 2012 Self-trapped beams for fabrication of optofluidic chips

Mathieu Chauvet, Luai Al Fares, Fabrice Devaux

Proceedings Volume 8434, Nonlinear Optics and Applications VI; 84340Q (2012) https://doi.org/10.1117/12.922420
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

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.

Citation Download Citation

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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