Liquid-Filled Highly Asymmetric Photonic Crystal Fiber Sagnac Interferometer Temperature Sensor
In this paper, we theoretically designed and numerically studied a high-resolution and ultrasensitive photonic crystal fiber temperature sensor by selective filling of a liquid with high thermo-optic coefficient in one of the airholes of the fiber. The finite element method was utilized to study the...
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doaj-7666da718b2d49969822e12f5285f1312020-11-25T03:47:53ZengMDPI AGPhotonics2304-67322020-05-017333310.3390/photonics7020033Liquid-Filled Highly Asymmetric Photonic Crystal Fiber Sagnac Interferometer Temperature SensorYashar Esfahani Monfared0Amir Ahmadian1Vigneswaran Dhasarathan2Chunhao Liang3Department of Chemistry, Dalhousie University, Halifax, NS B3H 4R2, CanadaDepartment of Electrical and Computer Engineering, Science and Research Branch, Azad University, Tehran 147789385, IranDivision of Computational Physics, Institute for Computational Science, Ton Duc Thang University, Ho Chi Minh City 700000, VietnamShandong Provincial Engineering and Technical Center of Light Manipulations & Shandong Provincial Key Laboratory of Optics and Photonic Device, School of Physics and Electronics, Shandong Normal University, Jinan 250014, ChinaIn this paper, we theoretically designed and numerically studied a high-resolution and ultrasensitive photonic crystal fiber temperature sensor by selective filling of a liquid with high thermo-optic coefficient in one of the airholes of the fiber. The finite element method was utilized to study the propagation characteristics and the modal birefringence of the fiber under different ambient temperatures. A large base birefringence value of 7.7 × 10<sup>−4</sup> as well as a large birefringence sensitivity of almost 29% to a 10 °C temperature variation was achieved for the optimized fiber design with liquid chloroform between 15 °C and 35 °C. We also studied the performance of the proposed optical fiber in a temperature sensing Sagnac interferometer. An average linear temperature sensitivity of 17.53 nm/℃ with an average resolution of 5.7 × 10<sup>−4</sup> °C was achieved over a temperature range of 20 °C (15 °C to 35 °C).https://www.mdpi.com/2304-6732/7/2/33fiber-optic temperature sensorchloroform fiberSagnac interferometer |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Yashar Esfahani Monfared Amir Ahmadian Vigneswaran Dhasarathan Chunhao Liang |
spellingShingle |
Yashar Esfahani Monfared Amir Ahmadian Vigneswaran Dhasarathan Chunhao Liang Liquid-Filled Highly Asymmetric Photonic Crystal Fiber Sagnac Interferometer Temperature Sensor Photonics fiber-optic temperature sensor chloroform fiber Sagnac interferometer |
author_facet |
Yashar Esfahani Monfared Amir Ahmadian Vigneswaran Dhasarathan Chunhao Liang |
author_sort |
Yashar Esfahani Monfared |
title |
Liquid-Filled Highly Asymmetric Photonic Crystal Fiber Sagnac Interferometer Temperature Sensor |
title_short |
Liquid-Filled Highly Asymmetric Photonic Crystal Fiber Sagnac Interferometer Temperature Sensor |
title_full |
Liquid-Filled Highly Asymmetric Photonic Crystal Fiber Sagnac Interferometer Temperature Sensor |
title_fullStr |
Liquid-Filled Highly Asymmetric Photonic Crystal Fiber Sagnac Interferometer Temperature Sensor |
title_full_unstemmed |
Liquid-Filled Highly Asymmetric Photonic Crystal Fiber Sagnac Interferometer Temperature Sensor |
title_sort |
liquid-filled highly asymmetric photonic crystal fiber sagnac interferometer temperature sensor |
publisher |
MDPI AG |
series |
Photonics |
issn |
2304-6732 |
publishDate |
2020-05-01 |
description |
In this paper, we theoretically designed and numerically studied a high-resolution and ultrasensitive photonic crystal fiber temperature sensor by selective filling of a liquid with high thermo-optic coefficient in one of the airholes of the fiber. The finite element method was utilized to study the propagation characteristics and the modal birefringence of the fiber under different ambient temperatures. A large base birefringence value of 7.7 × 10<sup>−4</sup> as well as a large birefringence sensitivity of almost 29% to a 10 °C temperature variation was achieved for the optimized fiber design with liquid chloroform between 15 °C and 35 °C. We also studied the performance of the proposed optical fiber in a temperature sensing Sagnac interferometer. An average linear temperature sensitivity of 17.53 nm/℃ with an average resolution of 5.7 × 10<sup>−4</sup> °C was achieved over a temperature range of 20 °C (15 °C to 35 °C). |
topic |
fiber-optic temperature sensor chloroform fiber Sagnac interferometer |
url |
https://www.mdpi.com/2304-6732/7/2/33 |
work_keys_str_mv |
AT yasharesfahanimonfared liquidfilledhighlyasymmetricphotoniccrystalfibersagnacinterferometertemperaturesensor AT amirahmadian liquidfilledhighlyasymmetricphotoniccrystalfibersagnacinterferometertemperaturesensor AT vigneswarandhasarathan liquidfilledhighlyasymmetricphotoniccrystalfibersagnacinterferometertemperaturesensor AT chunhaoliang liquidfilledhighlyasymmetricphotoniccrystalfibersagnacinterferometertemperaturesensor |
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