Performance Analysis of a Free Space Optics Link with Multiple Transmitters/Receivers

Autor: Nur Haedzerin Md Noor, Ahmed Wathik Naji, Wajdi Al-Khateeb

Publikováno v: International Islamic University Malaysia Engineering Journal, Vol 13, Iss 1 (2012)

ABSTRACT: Multiple transmitters/receivers (TX/RX) are used to improve the quality of Free Space Optics (FSO) communication systems. With the current needs of this technology for longer distance communication, the qualitative analysis of the system ha

Externí odkaz: https://doaj.org/article/600346eb88aa4023b3fc76ef54e189f8

Proposed parameters of specific rain attenuation prediction for Free Space Optics link operating in tropical region

Autor: Ahmed Wathik Naji, Islam Md. Rafiqul, A.Z. Suriza, A.K. Wajdi

Publikováno v: Journal of Atmospheric and Solar-Terrestrial Physics. 94:93-99

As the demand for higher and unlimited bandwidth for communication channel is increased, Free Space Optics (FSO) is a good alternative solution. As it is protocol transparent, easy to install, cost effective and have capabilities like fiber optics, i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::08d89d11611387aa9dcbb7279b37e03a
https://doi.org/10.1016/j.jastp.2012.11.008

67 cm long bismuth-based erbium doped fiber amplifier with wideband operation

Autor: Belal Ahmed Hamida, Harith Ahmad, Sulaiman Wadi Harun, X.S. Cheng, Ahmed Wathik Naji

Publikováno v: Laser Physics Letters. 8:814-817

In this paper, we demonstrate a wideband Bismuth-based erbium doped fiber amplifier (Bi-EDFA) using two pieces of bismuth-based erbium-doped fiber (Bi-EDF) with a total length of 67 cm as gain media in a double pass parallel configuration. Both Bi-ED

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1ceb8dc86e1d254ca433e60a95889537
https://doi.org/10.1002/lapl.201110061

An Overview: Laser Applications in Dentistry

Autor: Ibraheem T. AbdulQader, A. A. Zaidan, B. B. Zaidan, Sarah Talib AbdulQader, Ahmed Wathik Naji, Mohammed M. Jawad

Publikováno v: International Journal of Pharmacology. 7:189-197

Dentistry has entered an exciting era of high technology. Lasers provide new powerful tools that is characterized by a bloodless field and applied in most branches of dentistry. There are many types of lasers, such as Gas laser, Chemical laser, Dye l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::17e4fef28e0bdd9b63f12e93af10ffda
https://doi.org/10.3923/ijp.2011.189.197

PREDICTION OF SIGNAL ATTENUATION DUE TO DUSTSTORMS USING MIE SCATTERING

Autor: Zain Elabdin Omer Elshaikh, Ahm Zahirul Alam, Sheroz Khan, Othman Omran Khalifa, Md. Rafiqul Islam, Ahmed Wathik Naji

Publikováno v: International Islamic University Malaysia Engineering Journal, Vol 11, Iss 1, Pp 71-87 (2010)
International Islamic University Malaysia Engineering Journal, Vol 11, Iss 1 (2010)

The present trend in radio design calls for the use of frequencies above 40 GHz for short links carrying wide-band digital communication signals. In order to utilize the new frequency band efficiently, signal attenuation studies due to duststorms is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::704bc3a44a3c6bfed42c6fbf4db4fb76
http://journals.iium.edu.my/ejournal/index.php/iiumej/article/view/42