Browsing by Author "Mustafa F.H."

Now showing 1 - 2 of 2
  • No Thumbnail Available
    Some of the metrics are blocked by your 
    consent settings
    Publication
    Monte Carlo Simulation of Optical Light Transport in an Absorption-Based Tapered Fiber Sensor
    (Institute of Electrical and Electronics Engineers Inc., 2020)
    Mustafa F.H.
    ;
    Suhailin F.H.
    ;
    Ismail I.
    ;
    Mahdi M.A.B.
    Monte Carlo simulation of an optical light propagation in a developed tapered multimode fiber sensor for the detection of salinity solution is demonstrated. The effect of the changes of the length of the sodium chloride in the tapered fiber region as a function of the concentration/absorption coefficient on the absorbance response are observed. Results showed the linear relationship of the absorbance with the length of the sensing solution as well as with the absorption coefficient. The sensitivity of the system is calculated to be less than 0.0058 a.U/mm. The findings exhibited the potential of the Monte Carlo simulation as a platform for a preliminary study of tapered fiber sensor applications. � 2020 IEEE.
  • Thumbnail Image
    Some of the metrics are blocked by your 
    consent settings
    Publication
    A study on Malaysia atmospheric effect on radio over free space optic through radio frequency signal and light propagation in fiber for future communication development
    (American Institute of Physics Inc., 2020)
    Zainurin S.N.
    ;
    Ismail I.
    ;
    Saulaiman U.S.
    ;
    Ismail W.Z.W.
    ;
    Mustafa F.H.
    ;
    Sahrim M.
    ;
    Jamaludin J.
    ;
    Balakrishnan S.R.
    ;
    Faculty of Engineering and Built Environment
    ;
    Universiti Sains Islam Malaysia (USIM)
    ;
    Universiti Sains Malaysia (USM)
    This article presents the effects of haze attenuation on Radio over Free Space Optic (RoFSO) transmission system in KLIA Sepang, one of the towns in Malaysia. The haze condition which affects the FSO link transmissions was considered on October 2015 and on October 2017 at KLIA Sepang referring to the reading record of Air Pollution Index (API). In this paper, OptiSystem simulation software is used as a preliminary study before configuring the real RoFSO setup. We model the RoFSO by converting the radio frequency (RF) signal into light where the light source intensity is modulated with the RF signal. RF signal travels through free space while light propagates through fiber optic channel. Single-FSO and four- FSO channels are compared and analyzed in terms of bit-error-rate (BER), received optical power and eye diagram pattern. The results show that the performance of RoFSO with four-FSO channel system in comparison with single-channel has better receiver sensitivity and clear eye diagram. For future work, deploying multiple RoFSO system can fulfil the increasing demand for optimizing the communication bandwidth.