NDLI: Combining Two Types of Gratings for Simultaneous Strain and Temperature Measurement

Content Provider	IEEE Xplore Digital Library
Author	Hongyi Zeng Tao Geng Wenlei Yang Maowei An Jian Li Fan Yang Libo Yuan
Copyright Year	1989
Abstract	A new optical fiber sensor made of tapered and CO₂-laser-notched long-period fiber gratings (LPFGs) is proposed for the simultaneous measurement of strain and temperature. Experiments are run to verify the feasibility of using the proposed sensor for the simultaneous measurement of strain and temperature. Experimental results indicate that after the two LPFGs are connected with each other, the sensitivity of CO₂-LPFG to strain deceases from 1.7 to 0 pm/με, and the sensitivity of the tapered LPFG remains unchanged; it is -1.4 and -1.5 pm/με. The sensitivity of resonance wavelength 1280, 1412, and 1545 nm to temperature are 80 pm/°C, 67 pm/°C, and 69 pm/°C. Simultaneous strain and temperature experiments prove the stability of proposed sensor. It is therefore strongly believed that the proposed sensor can be used to achieve simultaneous measurement of strain and temperature.
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	477
Ending Page	480
Page Count	4
File Size	858929
File Format	PDF
ISSN	10411135
Volume Number	28
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2016-02-15
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Strain Temperature measurement Optical fiber sensors Temperature sensors Fiber gratings Sensitivity Optical fiber polarization temperature LPFG, tapered CO2-laser-notched simultaneous measurement strain LPFG tapered
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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