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

Tahhan, Shaymaa R.; Ali, M. H.; Al-Ogaidi, Marwah; Abass, A. K.

doi:10.12720/jcm.14.1.53-57

Cited by 16 publications

(10 citation statements)

References 13 publications

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“…Keunggulan FBG dibanding sensor mekanis atau elektronik lainnya adalah pengodean informasi yang diukur dalam panjang gelombang nanometer, sehingga mengurangi kerugian konektor dan kehilangan daya serta lebih sensitif terhadap perubahan fisis [10] Sensor optik FBG telah mengalami perkembangan dan menjadi topik yang banyak diteliti dua dekade terakhir dan beberapa perkembangan penelitian aplikatif pada FBG dilaporkan seperti FBG sebagai smart textile dalam pemantauan pernapasan pada manusia secara real-time [11], pemantauan frekuensi jantung [12], dan pada pemantauan suhu dan tekanan yang dihybrid dengan tenun kain komposit termoplastik [13]. Secara eksperimen numerik dalam peningkatan kinerja sensor FBG juga sudah banyak diteliti seperti yang dilaporkan bahwa FBG dengan bahan Topas memiliki sensitifitas lebih tinggi dibandingkan dengan bahan Tera Flex dan Silika murni [14] dan dilaporkan bahwa apodisasi mampu mempersempit full wave half maximum (FWHM) pada FBG seperti yang dilaporkan [15] berupa fasa phi dengan beberapa fungsi apodisasi seperti Gaussian, Sinus, Nuttal, Blackman dan Raised cosine direkomendasikan untuk sensor pemantauan suhu tinggi pada trafo listrik. FBG [16] dengan apodisasi Nuttal memiliki sensitifitas yang tinggi pada sensor suhu di permukaan laut dengan bahan dilapisi polimer hidrofobik.…”

Section: Pendahuluanunclassified

“…Penelitian ini akan merancang, mengsimulasikan dan menganalisis kinerja sebagai komponen sensor suhu dan regangan untuk menghasilkan FBG yang sensitif dan akan dilakukan optimalisasi dengan beberapa chirping dan apodisasi seperti Blackman, Hamming dan Gaussian yang merupakan teknik mengurangi lobus samping, sehingga akan menghasilkan sinyal yang sempit dan sensitif. Parameter yang akan dipertimbangkan untuk mengetahui pengaruh sensitivitasnya ialah panjang kisi, dan variasi chirping dan apodisasi dengan bahan Topas [14]. Metodologi menggunakan simulasi komponen sensor FBG dengan perangkat Optigrating dengan pergeseran puncak gelombang Bragg tiap perubahan temperatur dan regangan, selanjutnya akan mengoptimalkan kinerja sensor terhadap beberapa apodisasi yang akan divalidasikan dengan perangkat OptiSystem.…”

Section: Pendahuluanunclassified

“…FBG dapat ditingkatkan kinerjanya dengan apodisasi, yang merupakan teknik menghilangkan parameter-parameter yang tidak menguntungkan dari sepektrum cahaya yang direfleksikan, tetapi terdapat beberapa kerugian diantaranya pengurangan amplitudo dari puncak refleksivitas spektrum. Beberapa aplikasi yang menerapkan perbedaan apodisasi adalah filtering, kompensasi dispersi, penyetelan panjang gelombang dan penginderaan dalam komunikasi optik dan optoelektronik serta peningkatan kinerja dalam sensor temperatur dan rengangan [14]. Hasil penelitian terdahulu diperoleh bahwa apodisasi profil terbaik dalam kinerja FBG sebagai sensor suhu dan regangan adalah apodisasi fungsi Gaussian dengan sensitivitas sebesar 0,84 µm/µstrain dan 14 pm/°C [14].…”

Section: Tinjauan Pustakaunclassified

“…Beberapa aplikasi yang menerapkan perbedaan apodisasi adalah filtering, kompensasi dispersi, penyetelan panjang gelombang dan penginderaan dalam komunikasi optik dan optoelektronik serta peningkatan kinerja dalam sensor temperatur dan rengangan [14]. Hasil penelitian terdahulu diperoleh bahwa apodisasi profil terbaik dalam kinerja FBG sebagai sensor suhu dan regangan adalah apodisasi fungsi Gaussian dengan sensitivitas sebesar 0,84 µm/µstrain dan 14 pm/°C [14]. Berikut adalah fungsi apodisasi Gaussian yang digunakan [28]: (7) Selain fungsi apodisasi, fungsi chirp juga mempengaruhi sensitivitas dari sensor FBG.…”

Section: Tinjauan Pustakaunclassified

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Integrasi Chirping Dan Apodisasi Bahan Topas Untuk Peningkatan Kinerja Sensor Serat Kisi Bragg

Ramadhan¹,

Saktioto²

2021

JKFI

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The discovery of the fiber Bragg grating (FBG) is an early milestone in the development of optical fiber technology, such as in optical communication to monitoring of material health structures as sensors. For optical communication the FBG components are capable of filtering certain signals.In the FBG optical sensor has a high sensitivity immune to electromagnetic wave interference, small size and is resistant to extreme environmental conditions. The sensitivity of the FBG sensor is obtained from the shift in the peak wavelength of each of the temperature and strain quantities. However, the performance of the FBG sensor can be improved by engineering the distribution of the refractive index on the grid with the apodization and chirp functions. Apodization is a technique to improve the performance of the FBG sensor by eliminating noise, narrowing the full wave half maximum, lowering the side lobes of the main lobe and improving the spectrum ripple factor. Apart from apodization, the chirp function also affects the sensor sensitivity and the distribution of the refractive index on the grid. Numerical experiments were carried out in designing the FBG component as a sensor using Gaussian apodization and Topaz cyclic olefin copolymer for several chirp functions. The results show that Gaussian apodized topass lattice fibers for all chirp functions as a strain sensor have the same sensitivity, namely 0.84 pm/μstrain while for temperature sensors the highest sensitivity is obtained at cubic root chirp 13.82857 pm/°C followed by square chirp 13.74286 pm/°C, Quadratic chirp 13.71429 pm/°C and Linear Chirp 13.4 pm/°C the Bragg wavelength shift was greater for 1 °C than for the 1 μstrain.

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Section: Pendahuluanunclassified

Section: Tinjauan Pustakaunclassified

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Integrasi Chirping Dan Apodisasi Bahan Topas Untuk Peningkatan Kinerja Sensor Serat Kisi Bragg

Ramadhan¹,

Saktioto²

2021

JKFI

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“…The results showed apodization was able to narrow the full-wave half maximum (FWHM) in FBG. According to the researcher [16], a 𝜋 phase with several apodization functions, including Gaussian, sinus, nuttal, Blackman, and raised cosine, is recommended for high-temperature monitoring sensors in electric transformers. Meanwhile, [17] reported FBG with nuttal apodization has a high sensitivity in monitoring sea surface temperature, with hydrophobic polymer-coated FBG.…”

Section: Introductionmentioning

confidence: 99%

Apodization sensor performance for TOPAS fiber Bragg grating

et al. 2021

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Optical sensors have more capabilities than electronic sensors, and therefore provide extraordinary developments, including high sensitivity, nonsusceptibility to electromagnetic wave disturbances, small size, and multiplexing. Furthermore, fiber Bragg grating (FBG) is an optical sensor with a periodically changing grating refractive index, susceptible to strain and temperature changes. As a sensor, FBG's performance required to optimize and improve the numerical apodization function and affect the effective refractive index is considered. The grating fiber's apodization function can narrow the full width half maximum (FWHM) and reduce the optical signal's side lobes. In all the apodization functions operated by FBG, Blackman has the highest sensitivity of 15.37143 pm/°C, followed by Hamming and Gaussian, with 13.71429 pm/°C and 13.70857 pm/°C, respectively, and Uniform grating fiber with the lowest sensitivity of 12.40571 pm/°C. Hamming, Uniform, and Blackman discovered the sensitivity for a strain to be 1.17, 1.16, and 1.167 pm/microstrain, respectively. The results obtained indicated that apodization could increase FBG's sensitivity to temperature and strain sensors. For instance, in terms of other parameters, FWHM width, Hamming had the narrowest value of 0.6 nm, followed by Blackman with 0.612 nm, while Uniform had the widest FWHM of 1.9546 nm.

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Bidirectional hybrid optical communication system based on wavelength division multiplexing for outdoor applications

et al. 2021

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The simulation and investigation of a 32×10 Gb/s WDM all-optical bidirectional hybrid communication system for outdoor applications is presented in this article via multidisciplinary softwares. In order to track the system condition, a strain sensor based on ber Bragg grating (FBG) is integrated in-line with the ber optic link (FO-link). Then, a free space optical link (FSO-link) with 4-channel is simulated to act backup or rescue to the FO-link in the event of disaster or bombing. The FO-link is working well until the strain reach to 180 µε, after that the FO-link has degraded. Therefore, an optical switch is incorporated in between these systems (FO-link & FSO-link) to turn-on the FSO-link which act as a backup system to FO-link and maintains the continuity of the data transmission. According to the hybrid link results, there is an e cient enhancement in the Q-factor as compared with the FO-link even when there is heavy rain.

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

Cited by 16 publications

References 13 publications

Integrasi Chirping Dan Apodisasi Bahan Topas Untuk Peningkatan Kinerja Sensor Serat Kisi Bragg

Integrasi Chirping Dan Apodisasi Bahan Topas Untuk Peningkatan Kinerja Sensor Serat Kisi Bragg

Apodization sensor performance for TOPAS fiber Bragg grating

Bidirectional hybrid optical communication system based on wavelength division multiplexing for outdoor applications

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