Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Cheong-Weng Ooi"'
Autor:
Najmeh Seifaddini, Issouf Fofana, N.V.P.S. Rajesh Kandala, Kok-Sing Lim, Cheong-Weng Ooi, Waldo Udos, Bekibenan Sekongo, Abdellah Chehri, Mohand Ouhrouche, Gautam Leena
Publikováno v:
Results in Optics, Vol 16, Iss , Pp 100716- (2024)
In this contribution, a simple non-destructive characterization of aging degree of oil-paper insulation materials based on the reflectance is proposed. Samples of cellulose Kraft paper having different thicknesses, were thermally aged in a mineral in
Externí odkaz:
https://doaj.org/article/e7fc04a00be44dd78a9658a8fdc09aa2
Autor:
Waldo Udos, Cheong-Weng Ooi, Kok-Sing Lim, Norazriena Yusof, May-Lee Low, Rozalina Zakaria, Wei Ru Wong, Harith Ahmad
Publikováno v:
Results in Optics, Vol 12, Iss , Pp 100502- (2023)
In this study, the use of a surface plasmon sensor based on a gold-coated tilted fiber Bragg grating (Au-TFBG) functionalized with graphene oxide (GO) for the detection of lead ions (Pb2+) was demonstrated. To facilitate the modification of the Au-TF
Externí odkaz:
https://doaj.org/article/d4375e2d124d4dc5855ae709ef832f94
Autor:
Yen-Jie Ee, Kok-Sing Lim, Kok Soon Tey, Hangting Yang, Cheong-Weng Ooi, Hangzhou Yang, Harith Ahmad
Publikováno v:
Transactions of the Institute of Measurement and Control. 45:1515-1524
In this work, we propose an efficient reconstruction scheme for compressive sensing (CS) of fiber Bragg grating (FBG) spectrum. Taking advantage of the sparse reflection spectrum of the FBG array network, we have demonstrated the use of CS for compre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a920b9870ba2c06da375d96d3b22613
https://doi.org/10.1177/01423312221149777
https://doi.org/10.1177/01423312221149777
Autor:
Waldo Udos, Cheong-Weng Ooi, Benedict Kah Hong Goh, Kok-Sing Lim, Mohd Aizam Talib, Hazlee Azil Illias, Akhilesh Kumar Mishra, Harith Ahmad
Publikováno v:
Optical Fiber Technology. :103336
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a99a4110557b527aa03919fca0232433
https://doi.org/10.1016/j.yofte.2023.103336
https://doi.org/10.1016/j.yofte.2023.103336
Autor:
Rozalina Zakaria, Yen-Jie Ee, Cheong-Weng Ooi, Waldo Udos, Kok-Sing Lim, Harith Ahmad, Hangzhou Yang, Muhammad Nur Syafiq Mohamad Ismail
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 70:1-7
There is an increasing interest in the use of surface plasmon resonance tilted fiber Bragg grating (SPR-TFBG) as a sensor for various chemical applications. Signal demodulation is an important process for extracting useful parameters from the unique
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ab33765d0374126a1779c2d9c2d1cd6
https://doi.org/10.1109/tim.2021.3125104
https://doi.org/10.1109/tim.2021.3125104
Autor:
Cheong-Weng Ooi, C. K. E. Nizwan, Harith Ahmad, Z. M. Hafizi, Kok-Sing Lim, Muhammad Khairol Annuar Zaini, N. Ismail
Publikováno v:
IEEE Sensors Journal. 20:3564-3571
Structural Health Monitoring of engineering structures has become an essential measure for the prevention of catastrophic failures. This study presented a feasibility study of Fiber Bragg Grating-based Fabry-Perot interferometer (FBG-FPI) sensor for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15df139b0c25e1471380a4354962cdc6
https://doi.org/10.1109/jsen.2019.2959068
https://doi.org/10.1109/jsen.2019.2959068
Autor:
Yen-jie Ee, Zieauddin Kufian, Kok-sing Lim, Kok-soon Tey, Cheong-weng Ooi, Waldo Udos, Zurina Osman, Harith Ahmad
Publikováno v:
Sensors and Actuators A: Physical. 350:114080
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e536c24e1c4a3f6d71f9dde948ad6fa
https://doi.org/10.1016/j.sna.2022.114080
https://doi.org/10.1016/j.sna.2022.114080
Publikováno v:
Optical Fiber Technology. 71:102920
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce129ec53f731053d7ed95d561c2d7aa
https://doi.org/10.1016/j.yofte.2022.102920
https://doi.org/10.1016/j.yofte.2022.102920
Autor:
Kok-Sing Lim, Waldo Udos, Harith Ahmad, Kien Chai Ong, Cheong-Weng Ooi, Yen Jie Ee, Soon Hao Tan
Publikováno v:
Optik. 228:166221
In this work, we have demonstrated the surface plasmon resonance tilted fiber Bragg grating (SPR-TFBG) based biosensor for the detection of Enterovirus A71, one of the causative agents for Hand-foot-mouth disease. The SPR-TFBG was biofunctionalized w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8cfd199b37c15adb5f7364800c2ab2c8
https://doi.org/10.1016/j.ijleo.2020.166221
https://doi.org/10.1016/j.ijleo.2020.166221
Autor:
Kok-Sing Lim, Muhammad Nur Syafiq Mohamad Ismail, Waldo Udos, Harith Ahmad, Chee-Long Tan, Rozalina Zakaria, Cheong-Weng Ooi
Publikováno v:
Optik. 219:164970
Surface plasmon resonance-tilted fiber Bragg gratings (SPR-TFBG) are known for their ultra-high sensitivity to various liquid measurands. However, the deposition angle of the gold film on TFBG being one of the critical fabrication parameters remains
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a00a28c954310dcbca4f501ee95c1426
https://doi.org/10.1016/j.ijleo.2020.164970
https://doi.org/10.1016/j.ijleo.2020.164970