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S. Wadi Harun

University of Malaya (UM)

  • University of Malaya (UM)

SCHOLARLY PAPERS

12

DOWNLOADS

537

TOTAL CITATIONS

3

Scholarly Papers (12)

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1.

No-Core Fiber by Self-Image Length Optimization for Optical Based Refractive Index Sensor

Number of pages: 17 Posted: 21 Jun 2022
Nazirah Mohd Razali, Muhammad Quisar Lokman, Siti Nur Fatin Zuikafly, Fauzan Ahmad, Mohd Azizi Azizi Abdul Rahman, Hafizal Yahaya and S. Wadi Harun
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and University of Malaya (UM)
Downloads 110 (640,165)
Citation 1

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no-core fiber, self-image, Refractive index, sensitivity

2.

Power-Dependent Optical Limiting Behaviour of ‘Star-Type’ Chromophore Via Z-Scan Measurement Under 532 Nm Excitation

Number of pages: 15 Posted: 07 Mar 2022
M.I. Rosli, M. Abdullah, G. Krishnan, N. Basar, M.S. Aziz, S. Wadi Harun, R. Awang and F.S. Omar
Universiti Kebangsaan Malaysia, Universiti Sains Malaysia (USM), affiliation not provided to SSRN, affiliation not provided to SSRN, University of Technology Malaysia, University of Malaya (UM), Universiti Kebangsaan Malaysia and Universiti Kebangsaan Malaysia
Downloads 70 (875,328)

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Nonlinear Refraction, Nonlinear Absorption, Optical Limiting, Power-Dependent, Z-scan

3.

Investigation of Graphene Dopant Concentration on Eu203 Thick Film for Co2 Gas Sensing

Number of pages: 23 Posted: 23 May 2025
Mohd Hafiz Jali, Siddharth Thokchom, Kuberahventhan Sanmugavelan, Siti Amaniah Mohd Chachuli and S. Wadi Harun
Universiti Teknikal Malaysia Melaka, Assam Don Bosco University, Universiti Teknikal Malaysia Melaka, Universiti Teknikal Malaysia Melaka and University of Malaya (UM)
Downloads 61 (951,658)

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Europium Oxide, CO2 sensor, Graphene, Screen printing

4.

2 Μm Passively Q-Switched Thulium-Doped Fiber Laser by 8-Hqcdcl2h2o Based Saturable Absorber

Number of pages: 13 Posted: 01 Apr 2022
Mustafa M. Najm, Ahmed Shakir Al-Hiti, Alabbas A. Al-Azzawi, Ahmad Haziq Aiman Rosol, Bilal Nizamani, Pei Zhang, Mohammed Najm Abdullah, Hamzah Arof, Moh Yasin and S. Wadi Harun
University of Malaya (UM), University of Malaya (UM), Al-Esraa University College, University of Malaya (UM), University of Malaya (UM), University of Malaya (UM), University of Technology, Universiti Malaya, affiliation not provided to SSRN and University of Malaya (UM)
Downloads 52 (1,041,696)
Citation 2

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Q-switched, thulium-doped fiber laser, 8-HQCdCl2H2O, saturable absorber

5.

Intelligent and Cost-Effective Precision Weed Control System for Organic Farming

Number of pages: 39 Posted: 14 Apr 2025
Adrian Jie Ern Lim, Shi En Lee, Kai Yuan Saw, Jia Yun Lian, Joon Huang Chuah, S. Wadi Harun, Hwa Jen Yap, Chee Seng Chan and Wei Ru Wong
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Malaya (UM), University of Malaya (UM), University of Malaya (UM), affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 48 (1,097,529)

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Agricultural robot, In-crop weed detection, image processing, YOLO, Color index

6.

Passively Generated Q-Switched Pulses Fiber Laser in 2 Μm Wavelength Using Mxene Ti3c2tx and Ti2ctx Saturable Absorber

Number of pages: 17 Posted: 20 May 2024
Xiau San Cheng, Zhan Hong Lip, Chi Mingzhi, Sin Jin Tan, Anas Abdul Latiff and S. Wadi Harun
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Universiti Teknikal Malaysia Melaka and University of Malaya (UM)
Downloads 43 (1,145,425)

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Q-switched, fiber laser, mid-infrared

7.

Enhanced Surface Plasmon Resonance Sensor Performance Using Reduced Graphene Oxide (Rgo) Layers for Aflatoxin Detection

Number of pages: 12 Posted: 21 Jun 2025
Retna Apsari, Syahidatun Na'imah, Andi Hamim Zaidan, Samian Samian, Masruroh Masruroh, S. Wadi Harun, Norhana Arsad, Liaqat Ali and Tarek Mohamed
Airlangga University, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Malaya (UM), Universiti Kebangsaan Malaysia, affiliation not provided to SSRN and Beni Suef University
Downloads 36 (1,236,159)

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Surface plasmon resonance, kretschmann configuration, reduced graphene oxide, aflatoxin B1

8.

Flexible Guided Mode Resonance for Low Frequency Vibration Sensing Towards Structure Failure Monitoring Application

Number of pages: 19 Posted: 13 Sep 2025
N.A.M.A. Ghafar, Sakoolkan Boonruang, Arni Munira Markom, N.F. Zulkipli, S. Wadi Harun and Waleed S. Mohammed
affiliation not provided to SSRN, National Science and Technology Development Agency (NSTDA) - National Electronics and Computer Technology Center, affiliation not provided to SSRN, Tunku Abdul Rahman University of Management and Technology, University of Malaya (UM) and Bangkok University
Downloads 32 (1,290,922)

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Guided Mode Resonance sensor, structural health monitoring, Vibration sensor, Flexible Guided Mode Resonance sensor

9.

Optical based Refractive Index Measurement by Incorporation of Single Mode-No Core-Single Mode Fibre in Sagnac Interferometer

Number of pages: 26 Posted: 26 Sep 2025
Muhammad Quisar Lokman, Muhammad Quisar Lokman, Fauzan Ahmad, Mohd Azizi Azizi Abdul Rahman, N.F. Zulkipli and S. Wadi Harun
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Tunku Abdul Rahman University of Management and Technology and University of Malaya (UM)
Downloads 28 (1,345,526)

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Multimode Interference, No Core Fibre, Sagnac Interferometer, Refractive Index, Measurement

10.

Characterization of Absorption Responses in Ito-Coated Fibers for Acetone Gas Sensing in the Near-Infrared Region

Number of pages: 27 Posted: 12 Apr 2025
Nur Aina’a Mardhiah Zainuddin, Sue Ping Chew, Latifah Sarah Supian, N.A.M.A. Ghafar and S. Wadi Harun
National Defence University of Malaysia, National Defence University of Malaysia, National Defence University of Malaysia, affiliation not provided to SSRN and University of Malaya (UM)
Downloads 21 (1,436,435)

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acetone, gas sensors, metal oxide-based sensor, D-shape

11.

Ultrashort Pulse Erbium Doped Fiber Laser Generation Using D-Shape Polyacrylonitrile (D-Pan) Saturable Absorber

Number of pages: 13 Posted: 22 Aug 2025
Ahmad Haziq Aiman Rosol, Azura Hamzah, Aeriyn D. Ahmad and S. Wadi Harun
University of Malaya (UM), affiliation not provided to SSRN, Universiti Malaya and University of Malaya (UM)
Downloads 18 (1,470,786)

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Ultrashort pulse: D-shape fiber: mode-locked, Erbium doped fiber laser

12.

Graphene Coated Optical Microfiber for Aflatoxin B1 Detection

Number of pages: 11 Posted: 20 May 2024
Imasda Rahmatulloh, Syahidatun Na’imah, Tahta Amrillah, Samian Samian, Moh Yasin, Dyah Hikmawati, Masruroh Masruroh, S. Wadi Harun and Retna Apsari
affiliation not provided to SSRN, affiliation not provided to SSRN, Airlangga University, affiliation not provided to SSRN, affiliation not provided to SSRN, Airlangga University, affiliation not provided to SSRN, University of Malaya (UM) and Airlangga University
Downloads 18 (1,470,786)

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Aflatoxin B1, microfiber, Graphene, Refractive Index