3D Finite Element Model for Writing Long-Period Fiber Gratings by CO2 Laser Radiation
In the last years, mid-infrared radiation emitted by CO2 lasers has become increasing popular as a tool in the development of long-period fiber gratings. However, although the development and characterization of the resulting sensing devices have progressed quickly, further research is still necessa...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2013-08-01
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| Series: | Sensors |
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| Online Access: | http://www.mdpi.com/1424-8220/13/8/10333 |
| _version_ | 1828283917813153792 |
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| author | José Rebordão Marta Nespereira João M. P. Coelho Manuel Abreu |
| author_facet | José Rebordão Marta Nespereira João M. P. Coelho Manuel Abreu |
| author_sort | José Rebordão |
| collection | DOAJ |
| description | In the last years, mid-infrared radiation emitted by CO2 lasers has become increasing popular as a tool in the development of long-period fiber gratings. However, although the development and characterization of the resulting sensing devices have progressed quickly, further research is still necessary to consolidate functional models, especially regarding the interaction between laser radiation and the fiber’s material. In this paper, a 3D finite element model is presented to simulate the interaction between laser radiation and an optical fiber and to determine the resulting refractive index change. Dependence with temperature of the main parameters of the optical fiber materials (with special focus on the absorption of incident laser radiation) is considered, as well as convection and radiation losses. Thermal and residual stress analyses are made for a standard single mode fiber, and experimental results are presented. |
| first_indexed | 2024-04-13T08:53:09Z |
| format | Article |
| id | doaj.art-592f77d557b5466784200cfcdc1577d5 |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-04-13T08:53:09Z |
| publishDate | 2013-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-592f77d557b5466784200cfcdc1577d52022-12-22T02:53:24ZengMDPI AGSensors1424-82202013-08-01138103331034710.3390/s1308103333D Finite Element Model for Writing Long-Period Fiber Gratings by CO2 Laser RadiationJosé RebordãoMarta NespereiraJoão M. P. CoelhoManuel AbreuIn the last years, mid-infrared radiation emitted by CO2 lasers has become increasing popular as a tool in the development of long-period fiber gratings. However, although the development and characterization of the resulting sensing devices have progressed quickly, further research is still necessary to consolidate functional models, especially regarding the interaction between laser radiation and the fiber’s material. In this paper, a 3D finite element model is presented to simulate the interaction between laser radiation and an optical fiber and to determine the resulting refractive index change. Dependence with temperature of the main parameters of the optical fiber materials (with special focus on the absorption of incident laser radiation) is considered, as well as convection and radiation losses. Thermal and residual stress analyses are made for a standard single mode fiber, and experimental results are presented.http://www.mdpi.com/1424-8220/13/8/10333laser processinglong-period fiber gratingsfinite element modelingfiber-based sensorsrefractive-index modulationthermo-mechanical processes |
| spellingShingle | José Rebordão Marta Nespereira João M. P. Coelho Manuel Abreu 3D Finite Element Model for Writing Long-Period Fiber Gratings by CO2 Laser Radiation Sensors laser processing long-period fiber gratings finite element modeling fiber-based sensors refractive-index modulation thermo-mechanical processes |
| title | 3D Finite Element Model for Writing Long-Period Fiber Gratings by CO2 Laser Radiation |
| title_full | 3D Finite Element Model for Writing Long-Period Fiber Gratings by CO2 Laser Radiation |
| title_fullStr | 3D Finite Element Model for Writing Long-Period Fiber Gratings by CO2 Laser Radiation |
| title_full_unstemmed | 3D Finite Element Model for Writing Long-Period Fiber Gratings by CO2 Laser Radiation |
| title_short | 3D Finite Element Model for Writing Long-Period Fiber Gratings by CO2 Laser Radiation |
| title_sort | 3d finite element model for writing long period fiber gratings by co2 laser radiation |
| topic | laser processing long-period fiber gratings finite element modeling fiber-based sensors refractive-index modulation thermo-mechanical processes |
| url | http://www.mdpi.com/1424-8220/13/8/10333 |
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