Dr. Md. Rajibul Islam
Department of Computer Science & Engineering, Bangladesh University of Business and Technology, Dhaka, Bangladesh
+1
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Academic Career Length
57Years (1970-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
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Journal Article
Md. Rajibul Islam
Muhammad Mahmood AliMLMan-Hong Lai
Man-Hong LaiKLKok-Sing Lim
Kok-Sing LimHAHarith Ahmad
Harith AhmadOptical fibers have been involved in the area of sensing applications for more than four decades. Moreover, interferometric optical fiber sensors have attracted broad interest for their prospective applications in sensing temperature, refractive index, strain measurement, pressure, acoustic wave, vibration, magnetic field, and voltage. During this time, numerous types of interferometers have been developed such as Fabry-Perot, Michelson, Mach-Zehnder, Sagnac Fiber, and Common-path interferometers. Fabry-Perot interferometer (FPI) fiber-optic sensors have been extensively investigated for their exceedingly effective, simple fabrication as well as low cost aspects. In this study, a wide variety of FPI sensors are reviewed in terms of fabrication methods, principle of operation and their sensing applications. The chronology of the development of FPI sensors and their implementation in various applications are discussed.
4 April 2017 in IEEE Transactions on Instrumentation and Measurement
Journal Article
OAOmar Almubaied
Omar Almubaied
HCHwa Kian Chai
Hwa Kian Chai
Md. Rajibul IslamKLKok-Sing Lim
Kok-Sing Lim
CTChee Ghuan Tan
Chee Ghuan Tan
A Major factor that affects the durability of a concrete structure is cracks formation induced by expansion of reinforcement corrosion. Therefore, monitoring and evaluating the corrosion level of the structure is essential for its safety. In order to monitor corrosion, an innovative methodology based on Fiber Bragg Grating (FBG) sensing technique was developed and tested in this paper. The method uses the volume of corrosion products to detect the evolution of corrosion. The corrosion process was accelerated by impressed current technique. A correlation between the FBG wavelength shift and corrosion percentage of reinforcement was found.
1 June 2015 in Sensors and Actuators A: Physical
Journal Article
HYHang Zhou Yang
Hang Zhou Yang
Muhammad Mahmood AliMd. Rajibul IslamKLKok-Sing Lim
Kok-Sing LimDGDinusha Gunawardena
Dinusha GunawardenaHAHarith Ahmad
Harith Ahmad5 June 2015 in IEEE Photonics Technology Letters
Journal Article
Muhammad Mahmood AliYJYongmin Jung
Yongmin Jung
KLKok-Sing Lim
Kok-Sing Lim
Md. Rajibul IslamSAShaif-Ul Alam
Shaif-Ul Alam
HAHarith Ahmad
Harith Ahmad +1
We present the results on fabrication and the characterization of few-mode fiber Bragg gratings (FM-FBGs) inscribed in two mode and four mode step-index fibers. Under the conditions of selective input mode launching, coupling between specific modes of interest can be selectively excited and the self-coupling and cross-coupling properties at the associated resonant wavelengths can be clearly identified and verified by observing the reflected mode intensity profiles. Such FM-FBGs can potentially be used as reflective mode-converters for mode division multiplexed data transmission systems.
12 June 2014 in IEEE Photonics Technology Letters
Journal Article
HYHang-Zhou Yang
Hang-Zhou Yang
XQXue-Guang Qiao
Xue-Guang Qiao
KLKok-Sing Lim
Kok-Sing Lim
SHSulaiman Wadi Harun
Sulaiman Wadi Harun
WCWu-Yi Chong
Wu-Yi Chong
HAHarith Ahmad
Harith Ahmad +1
This letter reports a fiber optic sensing technology for the detection of salinity and liquid level of a given solution. The operation principle is based on the displacement measurement in a large measuring range by generating a variety of outputs for various sensing objectives. The proposed sensor is investigated analytically and experimentally. The achieved salinity sensitivity is 8.589/%, in addition, the proposed sensor exhibits an excellent liquid level sensitivity of 0.4421/mm in the experiment.
18 June 2023 in Data in Brief
Journal Article
AHAyman Hasib
Ayman HasibJEJannatul Ferdous Eva
Jannatul Ferdous EvaSKSaqib Sizan Khan
Saqib Sizan Khan
MKMst. Nipa Khatun
Mst. Nipa Khatun
AHAshraful Haque
Ashraful Haque
MHMolla Rashied Hussein
Molla Rashied Hussein +4
Language is a method by which individuals express their thoughts. Each language has its own alphabet and numbers. Oral and written communication are both effective means of human interaction. However, each language has a sign language equivalent. Hearing-impaired and/or nonverbal individuals communicate through sign language. BDSL is the abbreviation for the Bangla sign language. The dataset contains images of hand signs in Bangla. The collection comprises 49 individual sign language images of the Bengali alphabet. BDSL49 is a set of 29,490 images with 49 labels. During data collection, images of fourteen distinct adults, each with a unique appearance and context, were captured. During data preparation, numerous strategies have been utilized to reduce noise. This dataset is available for free to researchers. Using techniques such as machine learning, computer vision, and deep learning, they are able to develop automated systems. Moreover, two models were applied to this dataset. The first is for detection, and the second is for identification.
About Me
Dr. Md. Rajibul Islam is a distinguished researcher and academic with a robust background in computer applications and photonics engineering. He earned his Bachelor of Computer Applications (BCA) from Indira Gandhi National Open University in New Delhi, India, in 2004, followed by a Master of Science in Information Technology (Biometric Image Processing) from Multimedia University, Malaysia, in 2010.
Dr. Islam began his professional journey as a Research Assistant and Software Engineer in various university research institutes and R&D sectors within Malaysian software firms. In 2014, he transitioned back to academia to pursue his Ph.D. in Physics (Photonics Engineering) at the Photonics Research Centre, University of Malaya, which he completed in 2017.
Currently, he serves as a Research Fellow at the Photonics Research Institute of the Hong Kong Polytechnic University and holds the position of Associate Professor (on leave) in the Department of Computer Science and Engineering at the Bangladesh University of Business and Technology (BUBT). Previously, he was the Assistant Professor and Head of the Department of Computer Science and Engineering at the University of Asia Pacific (UAP). Additionally, Dr. Islam was a Visiting Ph.D. Researcher at the University of Limerick in Ireland through the Erasmus Mundus - INTACT scholarship Program.
His research interests encompass machine learning, artificial intelligence, data mining, optical fiber sensors, and photonic devices.
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