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dedi irawan
Universiti Teknologi Malaysia
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Journal : Science, Technology, and Communication Journal

 1 
Core multi-layer dispersion on single-mode optical fiber Ramadhan, Khaikal; Irawan, Dedi; Yupapin, Preecha
Science, Technology and Communication Journal Vol. 3 No. 3 (2023): SINTECHCOM Journal (June 2023)
Publisher : Lembaga Studi Pendidikan and Rekayasa Alam Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59190/stc.v3i3.235

Abstract

Optical technology has experienced extraordinary developments in recent years and the development of optical fibers continues to be carried out for various applications, namely optical sensors, long-distance communications, and health monitoring so that they can be applied in monitoring high temperatures in petroleum plants. Optical fiber has properties that cannot interfere with electromagnetic waves, which is an advantage compared to conventional cables besides optical fibers are able to transmit data quickly and reach very far across continents. However, the signal in the optical fiber that is carried in the form of pulses can experience widening, this widening is a result of changes in the refractive index, constituent materials, and losses due to fiber optic connection which will decrease the quality of the received signal. One way to reduce the pulse widening in a single-mode optical fiber is to split the fiber core into several layers to obtain zero dispersion in the single-mode optical fiber. Another thing is that we can influence the effect of the inner layer of the fiber core on the desired zero dispersion. After designing the optical core by making several layers, it was found that the dispersion was not found in the 6 and 7 core layers while the fibers with layers 2, 3, 4, and 5 had different wavelengths for zero dispersion. Furthermore, the effective area or area that is passed by the optical signal and the largest fiber mode diameter is obtained on 3-layer fibers with a value of 230.0454 mm2 and 17.1144 mm each seen from the delay of layer groups 2, 5, 6, and 7 experiencing a group decline for each wavelength while fiber With layers 3 and 4 experiencing an increase in group delay from the experimental data it was found that cores with 6 and 7 layers would not find the desired zero dispersion while optical fibers with the best layers transmit signals were cores with 3 layers.
Analysis of fluid flow in a cylindrical tube using fiber Bragg grating Maulana, Agam Muhammad; Ramadhan, Khaikal; Irawan, Dedi
Science, Technology and Communication Journal Vol. 4 No. 1 (2023): SINTECHCOM Journal (October 2023)
Publisher : Lembaga Studi Pendidikan and Rekayasa Alam Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59190/stc.v4i1.253

Abstract

Fiber Bragg grating (FBG) is an optical sensor component that has better performance than other optical and electronic components. FBG has a very high sensitivity to changes in temperature and strain, is small in size, and is resistant to electromagnetic wave interference and multiplexing. In this study, FBG is used to monitor the fluid flow rate in a pipe by analyzing changes in the output power generated by the FBG. This research was designed by varying the pipe diameter, measurement position, and fluid flow rate. The diameters of the pipes used are 5.95, 7.01, 8.79, and 10.32 mm. The fluid flow rate that passes through each pipe is also varied. The measuring position is placed at 1/3 2/3, and 3/3 pipe diameter. The fluid flow rate and the output power generated by this FBG are measured using an anemometer and optical power meter respectively. The FBG used in this study has a center wavelength of 1310 nm and 1550 nm. In this study, the value of power generated from pipe 1 of position 1 FBG with a wavelength of 1550 nm is 15.1 dBm, while at a wavelength of 1310 nm is -26.23 dBm which indicates that the power generated from FBG with a wavelength of 1310 is the biggest. The speeds obtained at pipe position 1 from the anemometer measurements are 0.79, 1, 1.82, and 2.22 m/s which are directly proportional to the power generated at the 1550 wavelength FBG, -15.1, -15.12, -15.47, and -15.43 dBm, respectively. So it can be concluded that the greater the speed generated by the fluid flow, the greater the power generated.
Plasma argon particle interactions in a non-equilibrium state through the Maxwell-Boltzmann kinetic equation Ronald, Azza; Saktioto, Saktioto; Maikul, Kusherbayeva; Bibara, Kushkimbayeva; Samudra, Mohd Rendy; Irawan, Dedi; Abdullah, Hewa Yaseen
Science, Technology and Communication Journal Vol. 5 No. 2 (2025): SINTECHCOM Journal (February 2025)
Publisher : Lembaga Studi Pendidikan and Rekayasa Alam Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59190/stc.v5i2.272

Abstract

Non-thermal Argon plasmas serve multiple functions, particularly in healthcare and industrial applications. Numerous particles of the same species exhibit varying velocities, referred to as a 'population'. The distribution function is a standard method for characterizing a population. The speed and energy distribution functions in the Maxwell-Boltzmann equation are simulated utilizing MATLAB. The density of each species was numerically calculated using the Runge-Kutta method. This research reviews various Argon species, including Ar*, Ar+, Ar(1s5), Ar(1s4), Ar(1s3), Ar(1s2), Ar, and electrons. The parameters utilized include a pressure of 10 mTorr, an Argon temperature about 400 K, and an electron temperature about 30,000 K. The maximum velocity probability density value is observed in the Ar+ species at 6.18 x 107 (m/s)-1, while the minimum value is found in electrons at 1.93 (m/s)-1. The maximum energy probability density value is observed in the Ar+ species at 2.13 x 1029 (Joule)-1, while the minimum value is found in the Ar(1s3) species at 1.40 x 1025 (Joule)-1. The time evolution of the distribution function, independent of the coordinates r, is associated with v, at t = 10-8 s. The velocity distribution function is significantly affected by the density value, while the distribution function is contingent upon the velocity.
Co-Authors ', Hotmariani A.A. Ketut Agung Cahyawan W Aan Restu Mukti, Aan Restu Abdul Wahab Abdi, Abdul Wahab Abdullah, Hewa Yaseen Adenia, Dea Aditya Dwi Prasetio, Aditya Dwi Admaja, Brilian Damar Agrina, Agrina Ahmad Handoko, Ahmad Akbar, Gilang Mahendra Akem, Umar Alamsyah Taher, Alamsyah Alghifari, Luth Fian Alrohmah, Nova Amir Hamzah Ananda, Talia Andi Setiono Andri Andri Anggia, Indry Puspita Arif Hidayat Arifullah, Moh. Arrasyid, M. Ikbal Asep Saeful Rohman Asmanto, Budi Asong, Andi Muh. Dodi Atfal, Najuan Tri Aulia, Vinka Azhar Azhar Azhar Azhar, Aidil Azhar, Zalfa Nopianda Azizah Rahmadiyanti, Sri Diva Azizahwati Azizahwati Azmi, Said Nurul Bambang Widiyatmoko Bibara, Kushkimbayeva Bima Fandi A Cecarwati, Dwi Daeng Ayub Dahnus, Dodi Dani Anggoro Defrianto Defrianto Desi Ratna Ayu Desiono, Maula Dewi, Lusiya Dian Saptarini Dina Mardiati, Dina Dwi Bayuwati Dwi Hanto Dwi Hanto Eddy Samsurizal eri purwanti Evi Sapinatul Bahriah Fadhilah, Nurunnisa Syifaul Fajri Arif Wibawa Fajri, Oknain Faridiansyah, M.Faridiansyah Fatoni, Fatoni Febrita, Helen Tria Firdaus Firdaus Firman Farid Muhsoni Fitmawati Fitmawati Fitria, Sarah Dwi Fitriani, Endah Gilang Ramadhan Hamuda, Hayadi Handayani, Made Kurni Hendrikson R Panjaitan Hermawan, Aldi Husdi, Irwan Rawal Ikha Safitri Ilka Zufria Ilman Zuhri Yadi Imam Mulyanto Indra Mawanta Ginting Irwansyah Irwansyah Isty, Miftahul Farhani Jaafar, Azhar Johan Mahyudi, Johan Junilita, Wika Jurwita, Linda Komala Dewi, Ayu Koswara, Dinar Kurnia, Dwi kurnia Kushadiwijayanto, Arie Antasari Kusuma, Doni Kuswara Lasinta Ari Nendra Wibawa Lenisa, Stefiana Liyan Desi Yulia, Liyan Desi Lukman Hakim Lutrisia, Dian M. Rahmad M. Yusuf Maharani, Aulia Deli Mahsun Mahsun Maikul, Kusherbayeva Mailisna, Mailisna MANGGALANI, RINA Manik, Rizki Ezra Mantik, Aliya Mantik, Aliya Maria Ulfa Marwan, Arip Marwin, Azwir Masdiana Masdiana Masjudin, Masjudin Massara, Asma Maulana, Agam Muhammad Maulidya, Nurul Megandhi Gusti Wardhana Miftakhur Rohmah, Miftakhur Muammar Rinaldi Muhammad Akhmad, Firdausi Muhammad Iqbal Muhammad Sahal Muhdiyat, Diyat Muhtar Yahya, Slamet Mujiburrahman . Mujtahid, Iqbal Miftakhul Mukti, David Ari Musyafra, Nurhafizah Mutiyah, Citra Mutmainah, Tika Rina Nabil, Muhammad Faiz Nabila, Rafika Nauvaldy, M. Khanifa Rizki Nelfyenny, Nelfyenny Neni Hermita Ngatwadi Nikmah, Mulyatun Nugraha, Gagan Nur Islami Nurcahyo , Gunadi Widi Nurdiansyah, Denni Nurdiansyah, Syarif Irwan Nurhidayati, Laela Nurzaqi, Dandhy Aditya Octavia, Kathina Oki Sudi Wijaya, Werry Oktavia, Irna Pamungkas, Bayu Panggih Pamungkas, Fauzi Catur Pebrianto, Anggi Pirhat Abbas Prabowo, Danang Pradana, Eric Pratama, Yofan Adi Premono, Satria Bagoes Aji Prisilia, Arla Aelani Puspita, Frica Nanda Putra Aji, Gatot Bintoro Putri, Clarisa Putri, Melisa Amelia Qoni’ah, Nurul Rabin, Mohammed Fisal Rahmaddani, Putri Rahmawati, Sara Ramadhan, Khaikal Ramadyanto, Aldi Fari Ramanda, Bayu Dwi Ranti, Linda Renata, Zabina Rini Kasrah Rini, Ari Sulistyo Risna, Novia Yunanda Riswandi, Arif Rohmah, Miftakhur - Rohmaturobbi, A Naji Roji, Syahrur Romijarso, Toni B. Romijarso, Toni Bambang Ronald, Azza Ruljaya, Wahyu Syahputra Rusyana, Iyus Saeprokhman, Asep Saktioto Saktioto Saktioto Samudra, Mohd Rendy Sanjaya, Risky Saputra, Yanto Saputri, Debi Eka SENERU, WISTINA Septiana, Waini Sholihat, M. Nuur’aini Siregar, Guna Yanti Siregar, Gunayanti Sitania, Farida Djumiati Siti Komariah Soerbakti, Yan Sofia Anita Sri Rezeki Sudarmaji SUDARMAJI SUDARMAJI Suhaini, Suhaini Suhendra, Hafiz Sukmana, Ece Sulthoniyah, Siti Tsaniyatul M. Sumijan Sunardi, Lukman Surya Wisada Dachi Suryadi Suryadi Suryayusra, Suryayusra Susan Dian Purnamasari, Susan Dian Sutoyo Sutoyo Sutoyo Suyanto Suyanto Suyud Widodo, Suyud Syafei, Ilham Syahril Rizal, Syahril Syarifudin, Ahmad Syarkawi, Mukhtar Thahir Syazili, Ahmad Syihabuddin Syihabuddin Tampi, Munawwaroh Tasya, Desy Anna Thahir, Musa Triana, Clarisa Ucu Koswara, Ucu Utama, Dedi P. Utama, Dedi Pria Vebrianto, Rian Warohomah, Fitry Mifthoh Warsidah, Warsidah Wibawa, Lasinta Ari Nendra WIBAWA, RESDHI Wulandari, Intan Yanti, Guna Yayan Yayan Yennita Yennita, Y Yoyo Arifardhani Yulianti, Anissa Yunita, Irwa Yunus Winoto Yupapin, Preecha Yusuf Zaenudin, M. Zuhdi Ma’aruf