Surface plasmon resonance sensing in gaseous media with optical fiber gratings

Optics Letters
Álvaro González-VilaChristophe Caucheteur

Abstract

Surface plasmon resonance excitation with optical fiber gratings has been typically studied in aqueous solutions. This work describes the procedure to excite a plasmon wave in gaseous media and perform refractive index measurements in these environments. Grating photo-inscription with 193 nm excimer laser radiation allows us to obtain slightly tilted fiber Bragg gratings exhibiting a cladding mode resonance comb along several hundreds of nanometers. Their refractive index sensitive range extends from gases to liquids, so operation in both media is compared. We demonstrate that the thickness of the metal coating required for surface plasmon excitation in gases is roughly one third of the one usually used for liquids. The developed platforms exhibit a temperature insensitive response of 78 nm/RIU when tested with different gases.

References

Jan 12, 2007·Optics Letters·Yanina Y Shevchenko, Jacques Albert
Mar 14, 2008·Applied Optics·K S Lee, T Erdogan
Apr 15, 2015·Optics Letters·Wenjun ZhouJacques Albert
Sep 9, 2016·Optics Letters·Hicham Chikh-BledChristophe Caucheteur
Nov 12, 2016·Nature Communications·Christophe CaucheteurJacques Albert
Aug 10, 2017·Optics Express·Shun WangPeixiang Lu
Dec 1, 2017·Sensors·Tuan GuoChristophe Caucheteur

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Citations

Sep 14, 2019·Optics Letters·Shunshuo CaiChristophe Caucheteur
Jul 18, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Jun ZhuYuanmin Huang
Nov 25, 2018·Optics Express·Zhehao YanChenying Jiang
Oct 1, 2019·Optics Letters·Xinpu ZhangWei Peng
Mar 28, 2021·Optics Express·Zhehao YanTong Zhai

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