Fabry-Perot cavity based on air bubble for high sensitivity lateral load and strain measurements

被引：2

作者：

Novais, Susana ^{[1
]}

Ferreira, Marta S.

Pinto, Joao L.

机构：

[1] Univ Aveiro, Dept Phys, Campus Santiago, P-3810193 Aveiro, Portugal

来源：

THIRD INTERNATIONAL CONFERENCE ON APPLICATIONS OF OPTICS AND PHOTONICS | 2017年 / 10453卷

关键词：

Fabry-Perot interferometer; air bubble; lateral load sensing; strain sensing; GRATINGS; FIBERS;

D O I：

10.1117/12.2276342

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A Fabry-Perot air bubble microcavity fabricated between a section of single mode fiber and a multimode fiber is proposed. The study of the microcavities growth with the number of applied arcs is performed. The sensors are tested for lateral load and strain, where sensitivities of 0.32 nm/N and 2.11 nm/N and of 4.49 pm/mu epsilon and 9.12 pm/mu epsilon are obtained for the 47 mu m and 161 mu m long cavities, respectively. The way of manufacturing using a standard fusion splicer and given that no oils or etching solutions are involved, emerges as an alternative to the previously developed air bubble based sensors.

引用

页数：5

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