Optical fiber for mechanical strain sensing

Fiber optic sensors have been widely used in the different aspects of engineering such as civil, mechanical and biological etc. The conventional Fiber is made of glass with a single core and a cladding. With the advancement of technology, Microstructured Polymer Optical Fiber (MPOF) was introduced i...

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Main Author: Lim, Gim Seah.
Other Authors: Seah Leong Keey
Format: Final Year Project
Language:English
Published: 2009
Subjects:
Online Access:http://hdl.handle.net/10356/16946
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-169462023-03-04T19:01:37Z Optical fiber for mechanical strain sensing Lim, Gim Seah. Seah Leong Keey School of Mechanical and Aerospace Engineering DRNTU::Engineering::Manufacturing::Metrology Fiber optic sensors have been widely used in the different aspects of engineering such as civil, mechanical and biological etc. The conventional Fiber is made of glass with a single core and a cladding. With the advancement of technology, Microstructured Polymer Optical Fiber (MPOF) was introduced in 2001. The new Fiber is more cost Effective to produce with more precise manufacturing techniques enabling the manipulation of the Structure. MPOF Fibers may begin to replace glass Fibers in some areas in the years to come. In this project, a halogen Light source supplies Light through an Optical Fiber which is coupled together with a Fiber optic spectrometer to detect the amount of Light loss when the specimen is subjected to increasing strain. The amount of Light loss is measured in terms of relative intensity. Three types of Experiments were conducted for glass Fiber and MPOF to investigate the relationship between loss and Loading and loss and Displacement. The three Experiments conducted are Tensile Test, Three Point Bending Test and Curvature Bending Test. The Results obtained from the Experiment show that even though the amount of Light loss is in an increasing fluctuating pattern, a linear relationship can be obtained from the data plot. Hence using the linear relationship from the Experiment, the amount of transmission Losses between glass Fiber and MPOF could be compared. Bachelor of Engineering (Mechanical Engineering) 2009-05-29T02:23:48Z 2009-05-29T02:23:48Z 2009 2009 Final Year Project (FYP) http://hdl.handle.net/10356/16946 en Nanyang Technological University 117 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Manufacturing::Metrology
spellingShingle DRNTU::Engineering::Manufacturing::Metrology
Lim, Gim Seah.
Optical fiber for mechanical strain sensing
description Fiber optic sensors have been widely used in the different aspects of engineering such as civil, mechanical and biological etc. The conventional Fiber is made of glass with a single core and a cladding. With the advancement of technology, Microstructured Polymer Optical Fiber (MPOF) was introduced in 2001. The new Fiber is more cost Effective to produce with more precise manufacturing techniques enabling the manipulation of the Structure. MPOF Fibers may begin to replace glass Fibers in some areas in the years to come. In this project, a halogen Light source supplies Light through an Optical Fiber which is coupled together with a Fiber optic spectrometer to detect the amount of Light loss when the specimen is subjected to increasing strain. The amount of Light loss is measured in terms of relative intensity. Three types of Experiments were conducted for glass Fiber and MPOF to investigate the relationship between loss and Loading and loss and Displacement. The three Experiments conducted are Tensile Test, Three Point Bending Test and Curvature Bending Test. The Results obtained from the Experiment show that even though the amount of Light loss is in an increasing fluctuating pattern, a linear relationship can be obtained from the data plot. Hence using the linear relationship from the Experiment, the amount of transmission Losses between glass Fiber and MPOF could be compared.
author2 Seah Leong Keey
author_facet Seah Leong Keey
Lim, Gim Seah.
format Final Year Project
author Lim, Gim Seah.
author_sort Lim, Gim Seah.
title Optical fiber for mechanical strain sensing
title_short Optical fiber for mechanical strain sensing
title_full Optical fiber for mechanical strain sensing
title_fullStr Optical fiber for mechanical strain sensing
title_full_unstemmed Optical fiber for mechanical strain sensing
title_sort optical fiber for mechanical strain sensing
publishDate 2009
url http://hdl.handle.net/10356/16946
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