Zobrazeno 1 - 10
of 616
pro vyhledávání: '"Mohd A Mahdi"'
Autor:
Norita Mohd Yusoff, Mahmoud Hazzaa Mohamed Ahmed, Eng Khoon Ng, Mohammed Thamer Alresheedi, Mohd Zul Hilmi Mayzan, Mohd Adzir Mahdi
Publikováno v:
Results in Physics, Vol 52, Iss , Pp 106843- (2023)
This work presents a tapered fiber decorated with bulk α-alumina with 4.08% modulation depth and 21.67 MW/cm2 saturation intensity which was responsible to induce noise-like pulse (NLP) in an “eye-safe” wavelength region. The light-matter intera
Externí odkaz:
https://doaj.org/article/219f51ba373a4d399761defa33626ec8
Autor:
Norita Mohd Yusoff, Eng Khoon Ng, Natrah Shafiqah Rosli, Che Azurahanim Che Abdullah, Nelydia Md. Yusoff, Mohd Adzir Mahdi
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 1, Pp 1-10 (2023)
A tapered microfiber decorated with titanium dioxide-silicon dioxide nanocomposite saturable absorber (TiO2-SiO2-SA) is demonstrated via alkali fusion method and spin-coating technique. The TiO2-SiO2-SA exhibited 17.1% modulation depth, 31.7 µJ/cm2
Externí odkaz:
https://doaj.org/article/1dd4b77467ab4d8791f6221ddc2ce6fe
Autor:
Yasmin Mustapha Kamil, Sura Hmoud Al-Rekabi, Muhammad Hafiz Abu Bakar, Yap Wing Fen, Husam Abduldaem Mohammed, Nor Hafizah Mohamed Halip, Mohammed Thamer Alresheedi, Mohd Adzir Mahdi
Publikováno v:
Photonic Sensors, Vol 12, Iss 3, Pp 1-8 (2022)
Abstract The lethality of inorganic arsenic (As) and the threat it poses have made the development of efficient As detection systems a vital necessity. This research work demonstrates a sensing layer made of hydrous ferric oxide (Fe2H2O4) to detect A
Externí odkaz:
https://doaj.org/article/f97ac4d238a140e5a616a3e4e698744a
Autor:
Amir Murad, Norita Mohd Yusoff, Josephine Ying Chyi Liew, Mohd Hanif Yaacob, Chee Seong Goh, Mohd Adzir Mahdi
Publikováno v:
Results in Physics, Vol 41, Iss , Pp 105881- (2022)
This work demonstrates the fabrication of a saturable absorber with nickel 1,3,5-benzene-tricarboxylic acid (Ni-H3BTC)-metal organic framework (MOF) to generate soliton pulses in an erbium-doped fiber laser. The saturable absorber was fabricated by s
Externí odkaz:
https://doaj.org/article/b547e33047984cf8b3e104ecc9b29dbc
Autor:
Farah Diana Muhammad, Josephine Liew Ying Chyi, Anom Nazirah Mohd Asran, Mohammed Thamer Alresheedi, Eng Khoon Ng, Mohd Adzir Mahdi
Publikováno v:
Photonics, Vol 10, Iss 9, p 995 (2023)
We demonstrate the utilization of iron oxide (Fe2O3) as light-absorbing material in an erbium-doped fiber laser (EDFL) for the generation of Q-switched pulses. A sandwich-type saturable absorber (SA) with Fe2O3 nanoparticles between fiber ferrules is
Externí odkaz:
https://doaj.org/article/9feaa3c81e464ddbacd991432029a47b
Autor:
Airull Azizi Awang Lah, Abdul Hadi Sulaiman, Fairuz Abdullah, Sumiaty Ambran, Eng Khoon Ng, Mohammed Thamer Alresheedi, Mohd Adzir Mahdi, Nelidya Md Yusoff
Publikováno v:
Photonics, Vol 10, Iss 8, p 924 (2023)
We demonstrate a generation of three lasing wavelengths with the assistance of Rayleigh backscattering as the stabilizer of peak power variations. The proposed laser consists of a combination of the semiconductor optical amplifier (SOA) and erbium-do
Externí odkaz:
https://doaj.org/article/31c8ea7b4d884c65a79d0179de4b8ef9
Autor:
Mohammed Thamer Alresheedi, Mohamed Elsafi, Yosef T. Aladadi, Ahmad Fauzi Abas, Abdullrahman Bin Ganam, M. I. Sayyed, Mohd Adzir Mahdi
Publikováno v:
Polymers, Vol 15, Iss 9, p 2160 (2023)
This study aimed to prepare silicone rubber composites with heavy metal oxide nanoparticles for gamma ray shielding applications. Different heavy metal oxide nanoparticles were incorporated into the silicone rubber matrix, and the prepared composites
Externí odkaz:
https://doaj.org/article/c21ba1e302644fffad50a49a9bfc3b64
Autor:
Mohammed Thamer Alresheedi, Mohamed Elsafi, Yosef T. Aladadi, Ahmad Fauzi Abas, Abdullrahman Bin Ganam, M. I. Sayyed, Mohd Adzir Mahdi
Publikováno v:
Materials, Vol 16, Iss 8, p 3255 (2023)
This study aimed to develop a mortar composite with improved gamma ray shielding properties using WO3 and Bi2O3 nanoparticles, as well as granite residue as a partial replacement of sand. The physical properties and effects of sand substitution and n
Externí odkaz:
https://doaj.org/article/f3bbf06209df404d850e223a401ed8f6
Autor:
Ahmad Fauzi Abas, Kuen Yao Lau, Yahya Mohammed Al-Moliki, Yosef Taher Aladadi, Mohammed Thamer Alresheedi, Mohd Adzir Mahdi
Publikováno v:
Applied Sciences, Vol 13, Iss 7, p 4087 (2023)
This study demonstrates a passive mode-locked erbium-doped fiber laser with a graphene nanoplatelet-saturable absorber (GNP-SA) that generates ultrashort pulses within femtosecond pulse duration. The GNP-SA is fabricated via a direct transfer approac
Externí odkaz:
https://doaj.org/article/4772402d74e644e48b40b3fda5f78830
Autor:
Husam Abduldaem Mohammed, Muhammad Hafiz Abu Bakar, Siti Barirah Ahmad Anas, Mohd Adzir Mahdi, Mohd Hanif Yaacob
Publikováno v:
IEEE Access, Vol 9, Pp 145282-145287 (2021)
The increased deployment of optical fiber sensors along with the development of internet of things has increased the demand for real-time in situ remote monitoring systems in the optical sensing industry. Etched-tapered single-mode optical fiber (ETS
Externí odkaz:
https://doaj.org/article/25368eed0be744f68d8958a9724e5a91