Highly sensitive refractive index sensor based on adiabatically tapered microfiber long period gratings
We demonstrate a refractive index sensor based on long period grating (LPG) inscribed in a special photosensitive microfiber with double-clad profile. The fiber is tapered gradual enough to ensure the adiabaticity of the fiber taper. In other words, the resulting insertion loss is sufficient small....
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sg-ntu-dr.10356-994432022-02-16T16:29:09Z Highly sensitive refractive index sensor based on adiabatically tapered microfiber long period gratings Ji, Wen Bin Tjin, Swee Chuan Lin, Bo Ng, Choong Leng School of Electrical and Electronic Engineering A*STAR Institute for Infocomm Research Photonics Research Centre DRNTU::Engineering We demonstrate a refractive index sensor based on long period grating (LPG) inscribed in a special photosensitive microfiber with double-clad profile. The fiber is tapered gradual enough to ensure the adiabaticity of the fiber taper. In other words, the resulting insertion loss is sufficient small. The Boron and Germanium co-doped inner cladding makes it suitable for inscribing gratings into its tapered form. The manner of wavelength shift for refractive indices (RI) differs from conventional LPG. The detection limit for refractive index is 1.67 × 10−5. MOE (Min. of Education, S’pore) Published version 2013-11-11T06:08:05Z 2019-12-06T20:07:23Z 2013-11-11T06:08:05Z 2019-12-06T20:07:23Z 2013 2013 Journal Article Ji, W. B., Tjin, S. C., Lin, B., & Ng, C. L. (2013). Highly Sensitive Refractive Index Sensor Based on Adiabatically Tapered Microfiber Long Period Gratings. Sensors, 13(10), 14055-14063. 1424-8220 https://hdl.handle.net/10356/99443 http://hdl.handle.net/10220/17583 10.3390/s131014055 24141267 en Sensors © 2013 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/). 9 p. application/pdf |
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DRNTU::Engineering Ji, Wen Bin Tjin, Swee Chuan Lin, Bo Ng, Choong Leng Highly sensitive refractive index sensor based on adiabatically tapered microfiber long period gratings |
| description |
We demonstrate a refractive index sensor based on long period grating (LPG) inscribed in a special photosensitive microfiber with double-clad profile. The fiber is tapered gradual enough to ensure the adiabaticity of the fiber taper. In other words, the resulting insertion loss is sufficient small. The Boron and Germanium co-doped inner cladding makes it suitable for inscribing gratings into its tapered form. The manner of wavelength shift for refractive indices (RI) differs from conventional LPG. The detection limit for refractive index is 1.67 × 10−5. |
| author2 |
School of Electrical and Electronic Engineering |
| author_facet |
School of Electrical and Electronic Engineering Ji, Wen Bin Tjin, Swee Chuan Lin, Bo Ng, Choong Leng |
| format |
Article |
| author |
Ji, Wen Bin Tjin, Swee Chuan Lin, Bo Ng, Choong Leng |
| author_sort |
Ji, Wen Bin |
| title |
Highly sensitive refractive index sensor based on adiabatically tapered microfiber long period gratings |
| title_short |
Highly sensitive refractive index sensor based on adiabatically tapered microfiber long period gratings |
| title_full |
Highly sensitive refractive index sensor based on adiabatically tapered microfiber long period gratings |
| title_fullStr |
Highly sensitive refractive index sensor based on adiabatically tapered microfiber long period gratings |
| title_full_unstemmed |
Highly sensitive refractive index sensor based on adiabatically tapered microfiber long period gratings |
| title_sort |
highly sensitive refractive index sensor based on adiabatically tapered microfiber long period gratings |
| publishDate |
2013 |
| url |
https://hdl.handle.net/10356/99443 http://hdl.handle.net/10220/17583 |
| _version_ |
1725985546981867520 |