Abstract

Microchannels are fabricated into conventional single-mode fibers by femtosecond laser processing and chemical etching. Fabrication limitations imposed by the fiber geometry are highlighted and resolved through a simple technique without compromising fabrication flexibility. A microfluidic fiber device consisting of a 4μm wide microchannel that intersects the fiber core for refractive index sensing is further demonstrated.

© 2006 Optical Society of America

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References

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J. Hsieh, P. Mach, F. Cattaneo, S. Yang, T. Krupenkine, K. Baldwin, and J. A. Rogers, IEEE Photon. Technol. Lett. 15, 81 (2003).
[CrossRef]

2001

Bado, P.

Baldwin, K.

J. Hsieh, P. Mach, F. Cattaneo, S. Yang, T. Krupenkine, K. Baldwin, and J. A. Rogers, IEEE Photon. Technol. Lett. 15, 81 (2003).
[CrossRef]

Bellouard, Y.

Bernini, R.

Bjarklev, A.

Bolger, J. A.

Campopiano, S.

Carlsen, A.

Cattaneo, F.

J. Hsieh, P. Mach, F. Cattaneo, S. Yang, T. Krupenkine, K. Baldwin, and J. A. Rogers, IEEE Photon. Technol. Lett. 15, 81 (2003).
[CrossRef]

Cooper-White, J.

Domachuk, P.

Dugan, M.

Eggleton, B. J.

Folkenberg, J. R.

Grillet, C.

Hansen, T. P.

Hoiby, P. E.

Hsieh, J.

J. Hsieh, P. Mach, F. Cattaneo, S. Yang, T. Krupenkine, K. Baldwin, and J. A. Rogers, IEEE Photon. Technol. Lett. 15, 81 (2003).
[CrossRef]

Jensen, J. B.

Juodkazis, S.

Krupenkine, T.

J. Hsieh, P. Mach, F. Cattaneo, S. Yang, T. Krupenkine, K. Baldwin, and J. A. Rogers, IEEE Photon. Technol. Lett. 15, 81 (2003).
[CrossRef]

Mach, P.

J. Hsieh, P. Mach, F. Cattaneo, S. Yang, T. Krupenkine, K. Baldwin, and J. A. Rogers, IEEE Photon. Technol. Lett. 15, 81 (2003).
[CrossRef]

Mägi, E.

Marcinkevicius, A.

Matsuo, S.

Misawa, H.

Miwa, M.

Nielsen, K.

Nielsen, L. B.

Nishii, J.

Noordegraaf, D.

Pedersen, L. H.

Riishede, J.

Rodd, L. E.

Rogers, J. A.

J. Hsieh, P. Mach, F. Cattaneo, S. Yang, T. Krupenkine, K. Baldwin, and J. A. Rogers, IEEE Photon. Technol. Lett. 15, 81 (2003).
[CrossRef]

Said, A.

Sarro, P. M.

Ta'eed, V.

Watanabe, M.

Yang, S.

J. Hsieh, P. Mach, F. Cattaneo, S. Yang, T. Krupenkine, K. Baldwin, and J. A. Rogers, IEEE Photon. Technol. Lett. 15, 81 (2003).
[CrossRef]

Zeni, L.

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Figures (4)

Fig. 1
Fig. 1

a, Microscope image of the femtosecond laser-induced index modification in the fiber after direct laser exposure. b, Image of the inscribed straight-line track within the fiber when a glass slip attachment is adopted during the laser exposure. c and d, Images of the etched channel in the fiber viewed at orthogonal angles, indicating that the microchannel intersects the fiber core.

Fig. 2
Fig. 2

Schematic setup of using a glass slip to alleviate the effect of the fiber curved surface. The diagram is not drawn to scale.

Fig. 3
Fig. 3

Microscope images of the microchannel within the fiber viewed under a 40 × oil - immersion microscopic lens.

Fig. 4
Fig. 4

Normalized transmitted optical power through the microfluidic fiber device at different microchannel refractive indices.

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