A 3D metallic structure array for refractive index sensing with optical vortex

E. Maeda; Y. Lee; Y. L. Ho; S. Fujikawa; J. J. Delaunay

doi:10.1109/MEMSYS.2013.6474409

A 3D metallic structure array for refractive index sensing with optical vortex

E. Maeda, Y. Lee, Y. L. Ho, S. Fujikawa, J. J. Delaunay

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

A simple and large-scale fabrication technique for three dimensional structure arrays using a photolithography process was applied to realize an array of high-aspect-ratio metallic fins. The fin array enables light confinement between the high-aspect-ratio fins, thus generating optical vortices. The light confinement between the fins produces sharp dips in the reflection spectrum of the array. We show that the position of the dip wavelength is sensitive to change in the refractive index of the surrounding medium. Sensitivity to change in the refractive index was quantified by optical simulation and experimental measurements.

Original language	English
Title of host publication	IEEE 26th International Conference on Micro Electro Mechanical Systems, MEMS 2013
Pages	973-976
Number of pages	4
DOIs	https://doi.org/10.1109/MEMSYS.2013.6474409
Publication status	Published - 2013
Event	IEEE 26th International Conference on Micro Electro Mechanical Systems, MEMS 2013 - Taipei, Taiwan, Province of China Duration: Jan 20 2013 → Jan 24 2013

Publication series

Name	Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
ISSN (Print)	1084-6999

Other

Other	IEEE 26th International Conference on Micro Electro Mechanical Systems, MEMS 2013
Country/Territory	Taiwan, Province of China
City	Taipei
Period	1/20/13 → 1/24/13

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanical Engineering
Electrical and Electronic Engineering

Access to Document

10.1109/MEMSYS.2013.6474409

Cite this

Maeda, E., Lee, Y., Ho, Y. L., Fujikawa, S., & Delaunay, J. J. (2013). A 3D metallic structure array for refractive index sensing with optical vortex. In IEEE 26th International Conference on Micro Electro Mechanical Systems, MEMS 2013 (pp. 973-976). Article 6474409 (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)). https://doi.org/10.1109/MEMSYS.2013.6474409

A 3D metallic structure array for refractive index sensing with optical vortex. / Maeda, E.; Lee, Y.; Ho, Y. L. et al.
IEEE 26th International Conference on Micro Electro Mechanical Systems, MEMS 2013. 2013. p. 973-976 6474409 (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Maeda, E, Lee, Y, Ho, YL, Fujikawa, S & Delaunay, JJ 2013, A 3D metallic structure array for refractive index sensing with optical vortex. in IEEE 26th International Conference on Micro Electro Mechanical Systems, MEMS 2013., 6474409, Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), pp. 973-976, IEEE 26th International Conference on Micro Electro Mechanical Systems, MEMS 2013, Taipei, Taiwan, Province of China, 1/20/13. https://doi.org/10.1109/MEMSYS.2013.6474409

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abstract = "A simple and large-scale fabrication technique for three dimensional structure arrays using a photolithography process was applied to realize an array of high-aspect-ratio metallic fins. The fin array enables light confinement between the high-aspect-ratio fins, thus generating optical vortices. The light confinement between the fins produces sharp dips in the reflection spectrum of the array. We show that the position of the dip wavelength is sensitive to change in the refractive index of the surrounding medium. Sensitivity to change in the refractive index was quantified by optical simulation and experimental measurements.",

author = "E. Maeda and Y. Lee and Ho, {Y. L.} and S. Fujikawa and Delaunay, {J. J.}",

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N2 - A simple and large-scale fabrication technique for three dimensional structure arrays using a photolithography process was applied to realize an array of high-aspect-ratio metallic fins. The fin array enables light confinement between the high-aspect-ratio fins, thus generating optical vortices. The light confinement between the fins produces sharp dips in the reflection spectrum of the array. We show that the position of the dip wavelength is sensitive to change in the refractive index of the surrounding medium. Sensitivity to change in the refractive index was quantified by optical simulation and experimental measurements.

AB - A simple and large-scale fabrication technique for three dimensional structure arrays using a photolithography process was applied to realize an array of high-aspect-ratio metallic fins. The fin array enables light confinement between the high-aspect-ratio fins, thus generating optical vortices. The light confinement between the fins produces sharp dips in the reflection spectrum of the array. We show that the position of the dip wavelength is sensitive to change in the refractive index of the surrounding medium. Sensitivity to change in the refractive index was quantified by optical simulation and experimental measurements.

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BT - IEEE 26th International Conference on Micro Electro Mechanical Systems, MEMS 2013

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A 3D metallic structure array for refractive index sensing with optical vortex

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