Microfiber Sagnac Interferometer for Sensing Applications

被引：4

作者：

Kuczkowski, Michal ^{[1
,2
]}

Ying, Cui ^{[2
,3
]}

Dinh, Xuan Quyen ^{[2
,4
]}

Shum, Perry Ping ^{[3
]}

Rutkowska, Katarzyna A. ^{[1
]}

Wolinski, Tomasz R. ^{[1
]}

机构：

[1] Warsaw Univ Technol, Fac Phys, Ul Koszykowa 75, PL-00662 Warsaw, Poland

[2] CINTRA CNRS NTU THALES, UMI 3288, Singapore 637553, Singapore

[3] Nanyang Technol Univ, Sch EEE, Singapore 639798, Singapore

[4] Thales Solut Asia Pte Ltd, R&D Dept, Singapore 498755, Singapore

来源：

PHOTONICS LETTERS OF POLAND | 2012年 / 4卷 / 04期

关键词：

D O I：

10.4302/plp.2012.4.05

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper we propose an optical fiber-based refractive index and temperature sensor using an MNF (micro/nano fiber) inserted in a Sagnac loop interferometer [1]. A portion of the PMF is tapered into a micro/nano dimension to increase the interactions between a guided signal and the surrounding environment. Experimental tests have demonstrated low response to temperature and high sensitivity to refractive index change of a liquid surrounding the MNF. It has been shown that the sensitivity of the setup under test to temperature decreases when a longer MNF is used. The maximum sensitivity for a refractive index achieved equals to 1068nm/RIU, which was obtained by a 4.7-mm long MNF with a diameter of 30 mu m.

引用

页码：134 / 136

页数：3

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