Kawsar Ahmed

Publications109
h-index23
Citations1,764
Highly Influential Citations48
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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… Expand
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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,… Expand
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Hybrid photonic crystal fiber in chemical sensing
BackgroundIn 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… Expand
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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… Expand
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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… Expand
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Terahertz detection of alcohol using a photonic crystal fiber sensor.
Ethanol is widely used in chemical industrial processes as well as in the food and beverage industry. Therefore, methods of detecting alcohol must be accurate, precise, and reliable. In this content,… Expand
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Early Prevention and Detection of Skin Cancer Risk using Data Mining
TLDR
Till now Cancer is a big question for scientific community cause of no existing treatments could solve the problems related to this dreadful disease. Expand
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Ultrahigh birefringence, ultralow material loss porous core single-mode fiber for terahertz wave guidance.
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… Expand
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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… Expand
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Evaluation of contact and non-contact lap splices in concrete block masonry specimens
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