Indian Journal of Engineering & Materials Sciences

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Design and analysis of decagonal photonic crystal fiber with elliptical air hole core for liquid sensing


Affiliations
1 Department of Electronics & Communication Engineering, Malaviya National Institute of Technology, Jaipur 302017, India
2 Department of Electrical & Computer Engineering, Carneige Mellon University, Pittusburg PA, 15213, USA., United States
3 Department of Mathematics, Malaviya National Institute of Technology, Jaipur 302017, India

In this paper, a decagonal geometry has been designed for liquid sensing. The liquid analytes that are sensed are ethanol, benzene and water as they are the most used analytes in the chemical and biological industries. Firstly, a decagonal structure has been designed and neff and sensitivity of this structure has been calculated. Then, the core structure has been modified and decagonal, octagonal and hexagonal geometries have been constructed inside the core with circular holes. Lastly, these circular holes have been replaced by elliptical holes. All the designed layouts have been analyzed and compared. The sensitivity obtained is of the order 40-50 % and confinement loss of order 10-9 dB/m which shows that these structures can be used for sensing ethanol, water and benzene and are reliable. For benzene, water and ethanol, the decagonal structure with core comprised of decagonal geometry, has been made of elliptical holes (x as major axis), gives the best results. For this geometry, the neff values are 1.379, 1.317 and 1.313 for benzene, ethanol and water, respectively. The sensitivity values obtained are 51.94%, 46.95%, and 44.45% and confinement loss value is 8.19 x 10-10, 1.03 x 10-10 and 1.069 x 10-7 dB/m, respectively.
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  • Design and analysis of decagonal photonic crystal fiber with elliptical air hole core for liquid sensing

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Authors

Kuntal Panwar
Department of Electronics & Communication Engineering, Malaviya National Institute of Technology, Jaipur 302017, India
Ritu Sharma
Department of Electronics & Communication Engineering, Malaviya National Institute of Technology, Jaipur 302017, India
Varshali Sharma
Department of Electrical & Computer Engineering, Carneige Mellon University, Pittusburg PA, 15213, USA., United States
Namrata Saxena
Department of Electronics & Communication Engineering, Malaviya National Institute of Technology, Jaipur 302017, India
Santosh Chaudharyc
Department of Mathematics, Malaviya National Institute of Technology, Jaipur 302017, India

Abstract


In this paper, a decagonal geometry has been designed for liquid sensing. The liquid analytes that are sensed are ethanol, benzene and water as they are the most used analytes in the chemical and biological industries. Firstly, a decagonal structure has been designed and neff and sensitivity of this structure has been calculated. Then, the core structure has been modified and decagonal, octagonal and hexagonal geometries have been constructed inside the core with circular holes. Lastly, these circular holes have been replaced by elliptical holes. All the designed layouts have been analyzed and compared. The sensitivity obtained is of the order 40-50 % and confinement loss of order 10-9 dB/m which shows that these structures can be used for sensing ethanol, water and benzene and are reliable. For benzene, water and ethanol, the decagonal structure with core comprised of decagonal geometry, has been made of elliptical holes (x as major axis), gives the best results. For this geometry, the neff values are 1.379, 1.317 and 1.313 for benzene, ethanol and water, respectively. The sensitivity values obtained are 51.94%, 46.95%, and 44.45% and confinement loss value is 8.19 x 10-10, 1.03 x 10-10 and 1.069 x 10-7 dB/m, respectively.