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- Publications
- Influence
A Novel Approach for Spectroscopic Chemical Identification Using Photonic Crystal Fiber in the Terahertz Regime
- M. Islam, J. Sultana, +4 authors D. Abbott
- Materials Science
- IEEE Sensors Journal
- 15 January 2018
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
Spiral Photonic Crystal Fiber-Based Dual-Polarized Surface Plasmon Resonance Biosensor
- M. R. Hasan, S. Akter, +5 authors D. Abbott
- Materials Science
- IEEE Sensors Journal
- 2018
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
Hybrid photonic crystal fiber in chemical sensing
- S. Asaduzzaman, Kawsar Ahmed, Touhid Bhuiyan, Tanjila Farah
- Materials Science, Medicine
- SpringerPlus
- 16 June 2016
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
Gold-coated photonic crystal fiber biosensor based on surface plasmon resonance: Design and analysis
- Sujan Chakma, A. Khalek, Bikash Kumar Paul, Kawsar Ahmed, R. Hasan, A. Bahar
- Materials Science
- 1 April 2018
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
Design and optimization of photonic crystal fiber for liquid sensing applications
- M. Arif, Kawsar Ahmed, S. Asaduzzaman, M. Azad
- Materials Science
- 16 June 2016
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
Terahertz detection of alcohol using a photonic crystal fiber sensor.
- J. Sultana, M. S. Islam, Kawsar Ahmed, A. Dinovitser, B. W. Ng, D. Abbott
- Materials Science, Medicine
- Applied optics
- 1 April 2018
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
Early Prevention and Detection of Skin Cancer Risk using Data Mining
- Kawsar Ahmed, Tasnuba Jesmin, M. Z. Rahman
- Computer Science
- 18 January 2013
TLDR
Ultrahigh birefringence, ultralow material loss porous core single-mode fiber for terahertz wave guidance.
- Kawsar Ahmed, Sawrab Chowdhury, +4 authors S. Asaduzzaman
- Materials Science, Medicine
- Applied optics
- 20 April 2017
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
Designing efficient QCA even parity generator circuits with power dissipation analysis
- A. Bahar, M. S. Uddin, Md. Abdullah-Al-Shafi, M. M. R. Bhuiyan, Kawsar Ahmed
- Mathematics
- 6 March 2017
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
Evaluation of contact and non-contact lap splices in concrete block masonry specimens
- Kawsar Ahmed
- Materials Science
- 1 June 2011
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