Articles: Recent submissions

  • Design and optimization of photonic crystal fiber for liquid sensing applications 
    Arif, Md. Faizul Huq; Ahmed, Kawsar; Asaduzzaman, Sayed; Azad, Md. Abul Kalam (Springer, 2016-06-16)
    This paper proposes a hexagonal photonic crystal fiber (H-PCF) structure with high relative sensitivity for liquid sensing; in which both core and cladding are microstructures. Numerical investigation is carried out by ...
  • Ultrahigh birefringence, ultralow material loss porous core single-mode fiber for terahertz wave guidance 
    Ahmed, Kawsar; Chowdhury, Sawrab; Paul, Bikash Kumar; Islam, Md. Shadidul; Sen, Shuvo; Islam, Md. Ibadul; Asaduzzaman, Sayed (The Optical Society, 2017-04-17)
    In this paper, a novel polarization-maintaining single-mode photonic crystal fiber (PCF) has been suggested for terahertz (THz) transmission applications. The reported PCF has five layers of hexagonal cladding with two ...
  • Design of single mode spiral photonic crystal fiber for gas sensing applications 
    Islam, Md.Ibadul; Ahmed, Kawsar; Asaduzzaman, Sayed; Paul, Bikash Kumar; Bhuiyan, Touhid; Sen, Shuvo; Islam, Md. Shadidul; Chowdhury, Sawrab (Elsevier, 2017-03-06)
    In this paper, a spiral shape photonic crystal fiber (S-PCF) has been suggested as a gas sensor for detecting toxic or colorless gases as well as monitoring the air pollution by metering gas condensate elements in production ...
  • Microarray-core based circular photonic crystal fiber for high chemical sensing capacity with low confinement loss 
    Asaduzzaman, Sayed; Ahmed, Kawsar (Optica Applicata, 2017)
    In this article, a circular photonic crystal fiber based chemical sensor has been presented where core region is designed with an array of elliptical holes. The proposed structure is numerically investigated by using a ...
  • Design of Simple Structure Gas Sensor Based on Hybrid Cladding Photonic Crystal Fiber 
    Asaduzzaman, Sayed; Ahmed, Kawsar; Bhuiyan, Touhid (Sivas Cumhuriyet Üniversitesi, 2016-04-09)
    A hybrid structure photonic crystal fiber gas sensor is presented in this paper to detect toxic and colorless gases. The guiding properties of proposed structure have been numerically investigated using finite element ...
  • Proposal of a gas sensor with high sensitivity, birefringence and nonlinearity for air pollution monitoring 
    Asaduzzaman, Sayed; Ahmed, Kawsar (Elsevier, 2016-07-01)
    Flammable or poisonous gasses in the air are capable of destroying a geographical area of causing a fire, fulmination, and venomous exposure. This paper presents a micro-cored photonic crystal fiber based gas sensor for ...
  • Hybrid photonic crystal fiber in chemical sensing 
    Asaduzzaman, Sayed; Ahmed, Kawsar; Bhuiyan, Touhid; Farah, Tanjila (Springer Plus, 2016-06-16)
    In this article, a hybrid photonic crystal fiber has been proposed for chemical sensing. A FEM has been applied for numerical investigation of some propagation characteristics of the PCF at a wider wavelength from 0.7 to ...
  • Bandwidth enhancement of a microstrip antenna for x-band applications 
    Islam, Md. Moinul; Islam, Mohammad Tariqul; Faruque, Mohammad Rashed Iqbal (Semantic Scholar, 2013-08)
    An X-band microstrip antenna for bandwidth enhancement is presented in this paper. The proposed antenna is comprised of circular and rectangular slots fed by a 50 Ω microstrip line. It is designed on 40 mm × 40 mm printed ...
  • Dual-Band Operation of a Microstrip Patch Antenna on a Duroid 5870 Substrate for Ku- and K-Bands 
    Islam, M.M.; Islam, M.T.; Faruque, M. R. I. (Hindawi, 2013-11-14)
    The dual-band operation of a microstrip patch antenna on a Duroid 5870 substrate for Ku- and K-bands is presented. The fabrication of the proposed antenna is performed with slots and a Duroid 5870 dielectric substrate and ...
  • Dual wideband N-shaped patch antenna loaded with shorting pin for wireless applications 
    Samsuzzaman, Md.; Islam, Mohammad T.; Mandeep, Jit S.; Nahar, K.; Islam, Md. M. (Acta Technica, 2014)
    A compact N-shaped dual band patch antenna loaded by shorting pin is designed. The lessening in patch size is achieved by perturbing the surface current path on the edge of a circular patch antenna by two triangular slots ...
  • Design of an UWB Patch Antenna for Dual Frequency Operations 
    Islam, M. M.; Islam, M. T.; Faruque, M.R.I. (Maxwell Scientific Publication Corp., 2014-01-27)
    The purpose of this study is to present the development of an Ultra-Wide Band (UWB) patch antenna for dual frequency operations. The size of the proposed antenna is 40×40×1.6 mm3 and is excited by micros trip line. The ...
  • 5.5GHZ notched wlan-band uwb antenna USIN6 slotted rectangular split-ring resonators 
    Islam, M.M.; Faruque, M.R.I.; Islam, M. (Universiti Kebangsaan Malaysia, 2014-09-01)
    Theoretical physicist Sir John was the first to identify a practical way to create metamaterials, or materials engineered for specific applications. Spatial filter can be used to filter out the interfering bands. The US ...
  • Investigation of a planar antenna with bandwidth enhancement for X-band applications 
    Faruque, M.R.I.; Islam, M.M.; Islam, M.T. (Universiti Kebangsaan Malaysia, 2014-05-01)
    Planar antennas play an important role in wireless communications systems and they continue to face shifting demands for a new generation of antenna technologies. One of the widely used antennas is the microstrip patch, ...
  • A Compact 5.5 GHz Band-Rejected UWB Antenna Using Complementary Split Ring Resonators 
    Islam, M. M.; Faruque, M.R.I.; Islam, M.T. (Hindawi, 2014-05-22)
    A band-removal property employing microwave frequencies using complementary split ring resonators (CSRRs) is applied to design a compact UWB antenna wishing for the rejection of some frequency band, which is meanwhile ...
  • A Double Inverted F-Shape Patch Antenna for Dual-Band Operation 
    Islam, M.M.; Faruque, M.R.I.; Hueyshin, W.; Mandeep, J. S.; Islam, T. (Hindawi, 2014-04-27)
    A double inverted F-shape patch antenna is presented for dual-band operation. The proposed antenna is comprised of circular and rectangular slots on a printed circuit board of 40 mm × 40 mm × 1.6 mm with a 50 Ω microstrip ...
  • A compact monopole antenna with improved bandwidth for Ku band applications 
    Islam, M. M.; Islam, M. T.; Samsuzzaman, M.; Faruque, M. R. I. (Universiti Kebangsaan Malaysia, 2015)
    A compact monopole antenna has been presented with improved bandwidth for Ku-band applications. The proposed Ku-band antenna is made of rectangular slots and circular slots on the ground and the patch, respectively, by a ...
  • Ultra-wideband to super-wideband antenna convebsion using parasitic elements 
    Faruque, M.R.I.; Islam, M. M.; Islam, M. T.; Samsuzzaman, M. (Universiti Kebangsaan Malaysia, 2015)
    Researchers from an university in Malaysia convert an ultra-wideband (UWB) antenna into a super-wideband (SWB) antenna by placing a parasitic element on the ground plane. The super-wideband antenna radiates in a near ...
  • A negative index metamaterial antenna for UWB microwave imaging applications 
    Islam, M. M.; Islam, M. T.; Samsuzzaman, M.; Faruque, M.R.I. (Wiley, 2015-03-27)
    In this article, a negative index metamaterial antenna ispresented for ultrawideband (UWB) microwave imaging applications.Four left-handed (LH) metamaterial (MTM unit cells are located alongone axis of the antenna as the ...
  • Circularly polarized high gain S band antenna for nanosatellite 
    Samsuzzaman, M.; Islam, M. T.; Nahar, M. K.; Mandeep, J.S.; Mansor, F.; Islam, M. M. (IOS Press, 2015)
    A circular polarized highly directional S band patch antenna for small satellite applications has been proposed in this invention. The proposed antenna comprises of a square ground plane and two circular radiating patches ...
  • Five band‐notched ultrawide band (UWB) antenna loaded with C‐shaped slots 
    Islam, Md M.; Islam, Mohammad Tariqul; Samsuzzaman, Md.; Faruque, Mohammad Rashed I. (Wiley, 2015-03-27)
    A compact microstrip line‐fed antenna is presented with five band‐notched characteristics for UWB microwave applications. Five band‐notched characteristics have been achieved at the frequencies of 3.6, 5.2, 5.8, 7.5, and ...

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