Kawsar Ahmed

Publications237
h-index29
Citations3,647
Highly Influential Citations58
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A Novel Approach for Spectroscopic Chemical Identification Using Photonic Crystal Fiber in the Terahertz Regime
A novel highly sensitive porous core-photonic crystal fiber (PC-PCF) has been designed and analyzed for detection of chemical analytes in the terahertz frequency range. The PC-PCF is designed using…
Spiral Photonic Crystal Fiber-Based Dual-Polarized Surface Plasmon Resonance Biosensor
We numerically demonstrate a surface plasmon resonance biosensor-based on dual-polarized spiral photonic crystal fiber (PCF). Chemically stable gold material is used as the active plasmonic material,…
Gold-coated photonic crystal fiber biosensor based on surface plasmon resonance: Design and analysis
Abstract The particularly sensitive circular lattice Photonic Crystal Fiber (PCF) based Surface Plasmon Resonance (SPR) sensor is proposed to gain high sensitivity for the detection of unknown…
Hybrid photonic crystal fiber in chemical sensing
TLDR
The simulation result reveals that the proposed PCF exhibits high sensitivity and low confinement loss for benzene, ethanol and water than the prior PCFs and shows high birefringence.
Terahertz detection of alcohol using a photonic crystal fiber sensor.
TLDR
A novel Zeonex-based photonic crystal fiber has been modeled and analyzed for ethanol detection in terahertz frequency range and with the outstanding waveguiding properties, the proposed sensor can potentially be used in ethanol detection, as well as polarization-preserving applications of terAhertz waves.
Design and optimization of photonic crystal fiber for liquid sensing applications
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…
Plasmonic Refractive Index Sensor Employing Niobium Nanofilm on Photonic Crystal Fiber
This letter presents a numerical investigation of a highly sensitive refractive index sensor based on surface plasmon resonance. An ultrathin niobium nanofilm is proposed as a new plasmonic material,…
Designing efficient QCA even parity generator circuits with power dissipation analysis
Abstract In the era of modern digital technology, highly scaled and ultra-low power consuming devices have drawn a considerable attention. Quantum-dot Cellular Automata (QCA) are such an emerging…
Refractive Index-Based Blood Components Sensing in Terahertz Spectrum
In this paper, a novel partial type-b crystalline core with more compact cladding in hexagonal packing photonic crystal fiber (CC-PCF)-based optical sensor has been proposed for sensing different…
Early Prevention and Detection of Skin Cancer Risk using Data Mining
TLDR
A system using Lotus Notes to predict Skin Cancer risk level with suggestions which is easier, cost reducible and time saveable is implemented.
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