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Impact of Apodization Profile on Performance of Fiber Bragg Grating Strain–Temperature Sensor

Shaymaa R. Tahhan1, Mudhafar Hussein Ali2, Marwah Ali Zaidan Al-Ogaidi1,and Abdulla Khudiar Abass3
1. Department of Laser and Optoelectronics Engineering, Al-Nahrain University, Baghdad, Iraq
2. Network Engineering Department, College of Engineering, Al-Iraqia University, Baghdad, Iraq
3. Laser and Optoelectronics Engineering Department, University of Technology, Baghdad, Iraq
Abstract—This work uses simulation software OptiGrating and OptiSystem to present the apodization effect on the performance of Fiber Bragg Grating (FBG) that is based on a strain–temperature sensor. Two FBGs with different center frequencies were designed via OptiGrating and then exported to OptiSystem to examine the impact of different apodization profiles on the sensing capability of the FBG. The apodization techniques include uniform, Gaussian, hyper-tanh, and sinc. Strain and temperature can be measured separately via the proposed system within 0.84 μm/μstrain and 14 pm/oC, respectively.
Index Terms—Fiber Bragg grating sensors; apodization affect, Sinc apodization, Gaussian apodization, hyper-tan apodization

Cite: Shaymaa R. Tahhan, Mudhafar Hussein Ali, Marwah Ali Zaidan Al-Ogaidi, and Abdulla Khudiar Abass, "Impact of Apodization Profile on Performance of Fiber Bragg Grating Strain–Temperature Sensor," Journal of Communications, vol. 14, no. 1, pp. 53-57, 2018. Doi: 10.12720/jcm.14.1.53-57
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