Nauros Romim, Mosahed Ahmed, Hriteshwar Talukder, Md. Saiful Islam
Social media sites such as YouTube and Facebook have become an integral part of everyone’s life, and in the last few years, hate speech in the social media comment section has increased rapidly. Detection of hate speech on social media Web sites faces a variety of challenges including small imbalanc...
M. Hussayeen Khan Anik, S. M. Riazul Islam, Hriteshwar Talukder, Sakib Mahmud et al.
A highly sensitive dual-polarized 'X' oriented quadruple D-shaped open channel photonic crystal fiber (PCF) based surface plasmon resonance (SPR) sensor for various analyte detection is proposed in this paper. Gold is taken as a plasmonic material for its stability and compatibility. Silicon nitride...
M. Hussayeen Khan Anik, M. Ifaz Ahmad Isti, S. M. Riazul Islam, Sakib Mahmud et al.
A surface plasmon resonance (SPR) based photonic crystal fiber (PCF) sensor having a milled microchannel, and an open D-channel has been proposed in this paper. The sensor shows good functionality in the wide sensing range of 1.14-1.36 Refractive Index Units (RIU) of the analyte, having the capabili...
M. Ifaz Ahmad Isti, Hriteshwar Talukder, S. M. Riazul Islam, Samiha Nuzhat et al.
In this paper, an asymmetric photonic crystal fiber (PCF) working on surface plasmon resonance (SPR) has been proposed and demonstrated using the wavelength interrogation method and lower birefringence peak method. The proposed sensor contains a D-shaped analyte channel that can detect unknown analy...
Hriteshwar Talukder, M. Ifaz Ahmad Isti, Samiha Nuzhat, Shovasis Kumar Biswas
M. Hussayeen Khan Anik, Sakib Mahmud, K. B. M. Sharif Mahmood, Md. Bokhtiar-Al-Zami et al.
In this work, a triple-band perfect metamaterial absorber (MA) in the terahertz (THz) regime is demonstrated for different biochemical sensing applications. The metasurface’s unit cell is made up of a distinct metallic gear-shaped core with eight identical teeth and two concentric circular rings (CC...
Samiha Nuzhat, Md. Faiyaz Bin Hassan, Sanjida Sultana, Shovasis Kumar Biswas et al.
Hriteshwar Talukder, M. Hussayeen Khan Anik, M. Ifaz Ahmad Isti, Sakib Mahmud et al.
M. Hussayeen Khan Anik, S. M. Riazul Islam, Shovasis Kumar Biswas, M. Ifaz Ahmad Isti et al.
In this paper,a polarization-maintaining single-mode rectangular-shaped hollow-core waveguide with four segmented air cladding in the terahertz (THz) regime is presented for detecting various toxic industrial chemicals. A new type of injection moldable cyclic olefin copolymer, commercially named as ...
M. Ifaz Ahmad Isti, M. Hussayeen Khan Anik, Samiha Nuzhat, R. C. Talukder et al.
In this paper, a highly sensitive miniaturized surface plasmon resonance (SPR) based photonic crystal fiber (PCF) sensor is presented for a wide range of analyte sensing. Gold is selected as the plasmonic metal for its higher chemical stability and titanium oxide works as the adhesive layer for gold...
Ohidul Islam, M. Hussayeen Khan Anik, Shakhawat Hossain Shakib, Nahid Hasan Niloy et al.
This work examines a symmetry-protected bound state in the continuum (BIC) supported unique all-dielectric dome-shaped metasurface (MS). The simple unit MS is made up of four dome-shaped nanobars of silicon in the top layer and silica glass as the substrate. Two strong transmission dips denoted as a...
Sanjida Sultana, Md. Faiyaz Bin Haassan, Shovasis Kumar Biswas, Hriteshwar Talukder
Samiha Nuzhat, M. Ifaz Ahmad Isti, Hriteshwar Talukder, Shovasis Kumar Biswas
A Dual core surface plasmon resonance (SPR) based photonic crystal fiber (PCF) biosensor functioning in the infrared (IR) range for biosensing applications is proposed and illustrated in this paper. Using gold as the plasmonic metal, the proposed sensor is able to detect analytes with higher refract...
M. Hussayeen Khan Anik, Sakib Mahmud, Pratyayee Chakma, Hriteshwar Talukder et al.
Md. Faiyaz Bin Hassan, Sanjida Sultana, M. Ifaz Ahmad Isti, Samiha Nuzhat et al.
In this paper, we propose a photonic crystal fiber sensor to detect analytes based on their refractive indexes. We modeled the fiber structure based on Surface Plasmon Resonance using gold as the plasmonic material. The Finite Element Method (FEM) has been used to evaluate the sensing performance an...