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Lead silicate fiber-based, refractive index-independent temperature sensor

Lead silicate fiber-based, refractive index-independent temperature sensor
Lead silicate fiber-based, refractive index-independent temperature sensor
The fabrication is reported of a simple, compact, and stable refractive index (RI)-independent temperature sensor based on a soft glass fiber (SGF) interferometer. Because the SGF has a high thermal expansion coefficient and a high RI, it is sensitive to temperature change but not sensitive to the RI change of liquids with lower RI. It thus can be used to detect the temperature change of aqueous solutions accurately. As an example, a temperature sensor with a temperature sensitivity of ~7 pm/°C and a negligible RI sensitivity of only about -1 nm/RIU (RI unit) in the range 1.32-1.43 is demonstrated. In addition, our SGF interferometer has potential applications and advantages in detecting liquids such as liquid crystals with higher RI.
0950-0340
851-853
Qiu, Sun-jie
5a3218ff-9abb-48bc-8421-3687511438bb
Zhou, Feng
02ba5e98-5421-4e2c-9907-b69fce659023
Feng, Xian
b1a28be8-c603-4239-9c93-b2c14274e9c7
Xu, Fei
0e1efa42-22dd-438f-bcfc-a32a62e81306
Lu, Yan-qing
d599fbda-4705-48e2-922e-f05bd84055d2
Qiu, Sun-jie
5a3218ff-9abb-48bc-8421-3687511438bb
Zhou, Feng
02ba5e98-5421-4e2c-9907-b69fce659023
Feng, Xian
b1a28be8-c603-4239-9c93-b2c14274e9c7
Xu, Fei
0e1efa42-22dd-438f-bcfc-a32a62e81306
Lu, Yan-qing
d599fbda-4705-48e2-922e-f05bd84055d2

Qiu, Sun-jie, Zhou, Feng, Feng, Xian, Xu, Fei and Lu, Yan-qing (2013) Lead silicate fiber-based, refractive index-independent temperature sensor. Journal of Modern Optics, 60 (10), 851-853. (doi:10.1080/09500340.2013.816383).

Record type: Article

Abstract

The fabrication is reported of a simple, compact, and stable refractive index (RI)-independent temperature sensor based on a soft glass fiber (SGF) interferometer. Because the SGF has a high thermal expansion coefficient and a high RI, it is sensitive to temperature change but not sensitive to the RI change of liquids with lower RI. It thus can be used to detect the temperature change of aqueous solutions accurately. As an example, a temperature sensor with a temperature sensitivity of ~7 pm/°C and a negligible RI sensitivity of only about -1 nm/RIU (RI unit) in the range 1.32-1.43 is demonstrated. In addition, our SGF interferometer has potential applications and advantages in detecting liquids such as liquid crystals with higher RI.

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More information

Published date: 2013
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 360458
URI: http://eprints.soton.ac.uk/id/eprint/360458
ISSN: 0950-0340
PURE UUID: b108846f-8ab8-4ebb-9739-512ee92f762e

Catalogue record

Date deposited: 10 Dec 2013 10:38
Last modified: 14 Mar 2024 15:38

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Contributors

Author: Sun-jie Qiu
Author: Feng Zhou
Author: Xian Feng
Author: Fei Xu
Author: Yan-qing Lu

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