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Browsing by Author "Dhasarathan, Vigneswaran"

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Design and Fem Analysis of Pentagonal Photonic Crystal Fiber for Highly Non-linear Applications

Mamtaz, Raisa; Ahmed, Kawsar; Paul, Bikash Kumar; Aktar, Mst. Nargis; Uddin, Muhammad Shahin; Dhasarathan, Vigneswaran; Mollah, Md. Aslam (Optical and Quantum Electronics, Springer, 2020-10-08)

A Pentagonal Photonic Crystal Fiber (P-PCF) injected with As2S5As2S5 in elliptic core has been propounded by FEM technique. The simulation is carried out by perfectly matched layer using COMSOL Multiphysics software. Several ...
Design of Ge 20 Sb 15 Se 65 Embedded Rectangular Slotted Quasi Photonic Crystal Fiber for Higher Nonlinearity Applications

Amiri, I. S.; Chakma, Sujan; Paul, Bikash Kumar; Ahmed, Kawsar; Dhasarathan, Vigneswaran; Rajan, M.S. Mani (Optik, Elsevier, 2019-05)

In quasi pattern, photonic crystal fiber (PCF) with Ge20Sb15Se65 rectangular core is modeled. In this article, few optical properties of PCFs like power fraction, nonlinearity, effective mode area, birefringence, beat ...
Design of Magnetic Fluid Sensor Using Elliptically Hole Assisted Photonic Crystal Fiber (PCF)

Mitu, Sumaiya Akhtar; Ahmed, Kawsar; Hossain, Md. Nadim; Paul, Bikash Kumar; Nguyen, Truong Khang; Dhasarathan, Vigneswaran (Journal of Superconductivity and Novel Magnetism, Springer, 2020-03-16)

The magnetic field sensor based on Photonic Crystal Fiber (PCF) is proposed by tuning the structure and magnetic fluid which is injected into the core. The sensitivity and resolution response of the magnetic field sensor ...
Exploring Refractive Index Sensor Using Gold Coated D-shaped Photonic Crystal Fiber for Biosensing Applications

Khan, Md. Shohag; Ahmed, Kawsar; Hossain, Md. Nadim; Paul, Bikash Kumar; Nguyen, Truong Khang; Dhasarathan, Vigneswaran (Optik, Elsevier, 2020-02)

In this paper, D-shaped photonic crystal fiber (PCF) based structure has been designed where the chemically sustainable and renowned material gold (Au) is used for high sensing between the core and the analyte. This structure ...
Fe3o4 Nanofluid Injected Photonic Crystal Fiber for Magnetic Field Sensing Applications

Mitu, Sumaiya Akhtar; Dey, Dipak Kumar; Ahmed, Kawsar; Paul, Bikash Kumar; Luo, Yanhua; Zakaria, R.; Dhasarathan, Vigneswaran (Journal of Magnetism and Magnetic Materials, Elsevier Publications, 2020-01-15)

This work proposes a novel magnetic field sensor based on nanoparticle ferrosoferric oxide (Fe3O4) magnetic fluid for different magnetic field strength from 100 Oe to 160 Oe. Investigations are performed to verify the ...
Investigation of Gas Sensor Based on Differential Optical Absorption Spectroscopy Using Photonic Crystal Fiber

Paul, Bikash Kumar; Ahmed, Kawsar; Dhasarathan, Vigneswaran; Al-Zahrani, Fahad Ahmad; Aktar, Mst. Nargis; Shahin Uddin, Muhammad; H.Aly, Arafa (Alexandria Engineering Journal, Elsevier, 2020-12)

This study presented a novel shape photonic crystal fiber based gas sensor for the first time. Perfectly circular shape air hole are arranged to form core and cladding region. Based on full vector finite element method ...
Multicore Bi-layer Gold-coated SPR-based Sensor for Simultaneous Measurements of CFC and HCFC

Jabin, Md. Asaduzzaman; Ahmed, Kawsar; Rana, Md. Juwel; Paul, Bikash Kumar; Dhasarathan, Vigneswaran; Uddin, Muhammad Shahin (2019)

Global warming is an alarming issue in our daily life. As we know that CFCs and HCFCs have a great impact on ozone depletion and global warming process. So, there must be a cheaper way to detect CFCs and HCFCs from refrigerant ...
Numerical Analysis of Circular Core Shaped Photonic Crystal Fiber for Orbital Angular Momentum with Efficient Transmission

Hassan, Md. Mehedi; Kabir, Md. Anowar; Hossain, Md. Nadim; Nguyen, Truong Khang; Paul, Bikash Kumar; Ahmed, Kawsar; Dhasarathan, Vigneswaran (Applied Physics B: Lasers and Optics, Springer, 2020-08-07)

In this paper, a circular core shaped photonic crystal fiber (PCF) is proposed and the optical propagation characteristics are investigated and simulated by applying the finite element method (FEM) with the help of COMSOL ...
Oligoporous-core Quasi Cladding Photonic Crystal Fiber Based Micro-sensor for Alcohol Detection

Paul, Bikash Kumar; Ahmed, Kawsar; Dhasarathan, Vigneswaran; Nguyen, Truong Khang (Physica B: Condensed Matter, Elsevier, 2020-05-01)

A novel quasi-fiber sensor is introduced for alcohol sensing applications with efficient optical guiding properties. The Finite Element Method (FEM) has been employed to explore the guiding properties over a wide range of ...
Quasi Photonic Crystal Fiber Based Spectroscopic Chemical Sensor in the Terahertz Spectrum: Design and Analysis

Paul, Bikash Kumar; Ahmed, Kawsar; Dhasarathan, Vigneswaran; Ahmed, Fahad (IEEE, 2018-09-28)

In this paper, a novel microstructure quasi-photonic crystal fiber (Q-PCF) design is proposed. Aimed at a high relative sensitivity it is targeted for chemical sensing applications in the terahertz regime. A rigorous ...
Theoretical Analysis of Highly Temperature-Sensitive Fem Based Optical Sensor in the Infrared Range

Abdullah, Hasan; Islam, Md. Rafiqul; Ahmed, Kawsar; Malka, Dror; Nguyen, Truong Khang; Hossain, Md. Nadim; Paul, Bikash Kumar; Dhasarathan, Vigneswaran (Scopus, 2020)

his paper demonstrates a highly sensitive temperature sensor based on photonic crystal fiber (PCF) to evaluate the temperature of an analyte. The proposed structure is evaluated by a finite-element method (FEM) which is ...

Browsing by Author "Dhasarathan, Vigneswaran"

Browsing by Author "Dhasarathan, Vigneswaran"

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