13 μm fiber grating in a thin-core fiber for LP01–LP11 mode converters and sensing ability
We demonstrate an all-fiber structure that can realize LP01 − LP11 mode conversion and twist measurement. It is a thin-core fiber (TCF) grating at a wavelength of 1310 nm cascaded to a short segment of a TCF of a different core size. It is found that the different core size of the TCF between the fi...
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my.um.eprints.232322019-12-17T01:28:32Z http://eprints.um.edu.my/23232/ 13 μm fiber grating in a thin-core fiber for LP01–LP11 mode converters and sensing ability Tong, Rongxin Yang, Hangzhou Lu, Kai Lee, Yen Sian Lim, Kok Sing Ahmad, Harith Hu, Manli QC Physics We demonstrate an all-fiber structure that can realize LP01 − LP11 mode conversion and twist measurement. It is a thin-core fiber (TCF) grating at a wavelength of 1310 nm cascaded to a short segment of a TCF of a different core size. It is found that the different core size of the TCF between the fiber and the grating has an impact on the excitation of a higher-order mode and mode conversion efficiency. The fiber structure exhibits a good linear response to twisting, strain, and temperature. Depending on the associated mode, the mode intensity and the wavelength for exciting the peaks of the grating have different sensitivities to twisting angle, applied strain, and temperature. These properties can be exploited for simultaneous measurement. © 2019 Optical Society of America Optical Society of America 2019 Article PeerReviewed Tong, Rongxin and Yang, Hangzhou and Lu, Kai and Lee, Yen Sian and Lim, Kok Sing and Ahmad, Harith and Hu, Manli (2019) 13 μm fiber grating in a thin-core fiber for LP01–LP11 mode converters and sensing ability. Applied Optics, 58 (16). pp. 4358-4364. ISSN 1559-128X https://doi.org/10.1364/AO.58.004358 doi:10.1364/AO.58.004358 |
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QC Physics Tong, Rongxin Yang, Hangzhou Lu, Kai Lee, Yen Sian Lim, Kok Sing Ahmad, Harith Hu, Manli 13 μm fiber grating in a thin-core fiber for LP01–LP11 mode converters and sensing ability |
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We demonstrate an all-fiber structure that can realize LP01 − LP11 mode conversion and twist measurement. It is a thin-core fiber (TCF) grating at a wavelength of 1310 nm cascaded to a short segment of a TCF of a different core size. It is found that the different core size of the TCF between the fiber and the grating has an impact on the excitation of a higher-order mode and mode conversion efficiency. The fiber structure exhibits a good linear response to twisting, strain, and temperature. Depending on the associated mode, the mode intensity and the wavelength for exciting the peaks of the grating have different sensitivities to twisting angle, applied strain, and temperature. These properties can be exploited for simultaneous measurement. © 2019 Optical Society of America |
format |
Article |
author |
Tong, Rongxin Yang, Hangzhou Lu, Kai Lee, Yen Sian Lim, Kok Sing Ahmad, Harith Hu, Manli |
author_facet |
Tong, Rongxin Yang, Hangzhou Lu, Kai Lee, Yen Sian Lim, Kok Sing Ahmad, Harith Hu, Manli |
author_sort |
Tong, Rongxin |
title |
13 μm fiber grating in a thin-core fiber for LP01–LP11 mode converters and sensing ability |
title_short |
13 μm fiber grating in a thin-core fiber for LP01–LP11 mode converters and sensing ability |
title_full |
13 μm fiber grating in a thin-core fiber for LP01–LP11 mode converters and sensing ability |
title_fullStr |
13 μm fiber grating in a thin-core fiber for LP01–LP11 mode converters and sensing ability |
title_full_unstemmed |
13 μm fiber grating in a thin-core fiber for LP01–LP11 mode converters and sensing ability |
title_sort |
13 μm fiber grating in a thin-core fiber for lp01–lp11 mode converters and sensing ability |
publisher |
Optical Society of America |
publishDate |
2019 |
url |
http://eprints.um.edu.my/23232/ https://doi.org/10.1364/AO.58.004358 |
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1654960705771667456 |