Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Md. Ekhlasur Rahaman"'
Publikováno v:
Frontiers in Physics, Vol 10 (2023)
A square-core photonic crystal fiber (PhCF) has been presented for liquid (petrochemical) sensing application. The sensor performance has been studied numerically in the frequency range from 1.2 to 3.8 THz. The core hole is filled with pure petrol, k
Externí odkaz:
https://doaj.org/article/9f848eed2bd041de8b910f816cd179d7
Publikováno v:
Sensing and Bio-Sensing Research, Vol 33, Iss , Pp 100427- (2021)
This paper represents a design mechanism and numerical investigations of a PCF sensor that contains a hollow core for sensing the primary chemical analytes namely water, ethanol, and benzene in the 1–2 THz regime. Rectangular air holes are used in
Externí odkaz:
https://doaj.org/article/029ea5ccea5e4ed7bab2c71c72bd2420
Publikováno v:
Sensing and Bio-Sensing Research, Vol 32, Iss , Pp 100405- (2021)
This paper presents three different PCF structures including circular, hexagonal, and square holes forming four rings. To investigate various optical properties, simulation has been performed in between 1 THz to 2 THz regimes. Using these PCF structu
Externí odkaz:
https://doaj.org/article/e402f91dd22f4ce791dd29bed6aa4068
Autor:
Md. Ekhlasur Rahaman, Rayhan Habib Jibon, Himadri Shekhar Mondal, Md. Bellal Hossain, Abdullah Al-Mamun Bulbul, Rekha Saha
Publikováno v:
Sensing and Bio-Sensing Research, Vol 32, Iss , Pp 100422- (2021)
In terahertz frequency (THz), we have proposed a hollow core photonic crystal fiber (HC-PCF) to sense chemical. The proposed sensor consists of square shaped air holes in the cladding region with a dumbbell shaped core which has been used to fill wit
Externí odkaz:
https://doaj.org/article/a5d832c2f68740528e5bc8b3c03b6edc
Autor:
Faysal Iqbal, Sandipa Biswas, Abdullah Al-Mamun Bulbul, Hasibur Rahaman, Md. Bellal Hossain, Md. Ekhlasur Rahaman, Md. Abdul Awal
Publikováno v:
Sensing and Bio-Sensing Research, Vol 30, Iss , Pp 100384- (2020)
This paper focuses on designing a Photonic Crystal Fiber (PCF) based sensor model. The anticipated sensor is modelled and simulated using COMSOL Multiphysics to carry-out experiments on multiple optical parameters that evaluate the efficiency of this
Externí odkaz:
https://doaj.org/article/c2f9b6e2dd964746ab2947e17f7e2fd9
Publikováno v:
Sensing and Bio-Sensing Research, Vol 30, Iss , Pp 100386- (2020)
The article presents a rectangular core photonic crystal fiber (RCPCF) structure to detect the major components of blood. We used Topas as bulk fiber material for its extraordinary properties in the terahertz (THz) frequency region and the investigat
Externí odkaz:
https://doaj.org/article/f4d47c2b9ce64919a0e29a344c674272
Autor:
Md. Mahbub Hossain, Rajib Mandal, Md. Ziual Amin, Himadri Shekhar Mondal, Md. Ekhlasur Rahaman
Publikováno v:
Journal of Biomedical Photonics & Engineering, Vol 4, Iss 3 (2018)
A new temperature sensor based on asymmetry in dual circular core photonic crystal fiber (ADCPCF) is proposed where both the cores infiltrate by chloroform. To analyze the temperature dependent propagation characteristics, the thermo-optic coefficien
Externí odkaz:
https://doaj.org/article/899e737e49754e4fb12cf78de14649e5
Autor:
Himadri Shekhar Mondal, Md. Mahbub Hossain, Md. Ekhlasur Rahaman, Sheikh Mohammed Boni Amin, Md. Bellal Hossain, Md. Mehadi Hasan Mahasin, Pankoj Kumar Mondal
Publikováno v:
Crystals, Vol 8, Iss 4, p 171 (2018)
Graphene has impressive features that make it an exceptional material for sophisticated applications in next generation electronics and opto-electronics devices. This peremptory material has attracted researchers’ attention in various fields of rec
Externí odkaz:
https://doaj.org/article/a60eee3f37254534a6c934e46730ee36
Autor:
Md. Ekhlasur Rahaman, Kazuyuki Uno
Publikováno v:
Lasers in Manufacturing and Materials Processing. 9:72-80
Publikováno v:
Optical Review. 29:1-6