2020
DOI: 10.3390/fib8100063
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Numerical Modeling of a Rectangular Hollow-Core Waveguide for the Detection of Fuel Adulteration in Terahertz Region

Abstract: A petrol adulteration sensor based on a rectangular shaped hollow-core photonic crystal fiber is proposed and numerically analyzed in the terahertz regime. The performance of the proposed sensor was evaluated when it is employed to characterize different kerosene mixtures. In this research, the adulterated fuel sample is filled in the rectangular hollow channel and the electromagnetic signal of the terahertz band is also driven through the same channel. The received signal after the interaction of fuel with th… Show more

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Cited by 40 publications
(13 citation statements)
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“…The single-mode propagation parameter, which is also termed as V parameter or V eff is also calculated. This parameter of any PCF informs whether the fiber will experience multimodal distortion or not when guiding an EM signal of a particular wavelength/frequency [ 24 , 25 ]. The fundamental equation of extracting V eff of an optical fiber is as follows [ 24 ]: where R is the core radius, and the refractive index of core and cladding are indicated by n co and n cl , respectively.…”
Section: Resultsmentioning
confidence: 99%
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“…The single-mode propagation parameter, which is also termed as V parameter or V eff is also calculated. This parameter of any PCF informs whether the fiber will experience multimodal distortion or not when guiding an EM signal of a particular wavelength/frequency [ 24 , 25 ]. The fundamental equation of extracting V eff of an optical fiber is as follows [ 24 ]: where R is the core radius, and the refractive index of core and cladding are indicated by n co and n cl , respectively.…”
Section: Resultsmentioning
confidence: 99%
“…This parameter of any PCF informs whether the fiber will experience multimodal distortion or not when guiding an EM signal of a particular wavelength/frequency [ 24 , 25 ]. The fundamental equation of extracting V eff of an optical fiber is as follows [ 24 ]: where R is the core radius, and the refractive index of core and cladding are indicated by n co and n cl , respectively. The only condition to be a single-mode fiber is that the numerical value of this parameter must be less than or equal to 2.405.…”
Section: Resultsmentioning
confidence: 99%
“…In addition to wave communication functions, PCFs can also be used for optical sensing. To apply a PCF in sensing applications, the sample under test is filled in the core and after that, the electromagnetic wave is injected through the core [26]. The light interacts with the sample, and after analyzing the received signal, the unknown sample can be identified [26].…”
Section: Photonic Crystal Fibermentioning
confidence: 99%
“…To apply a PCF in sensing applications, the sample under test is filled in the core and after that, the electromagnetic wave is injected through the core [26]. The light interacts with the sample, and after analyzing the received signal, the unknown sample can be identified [26]. However, solid core PCF cannot be used in sensing applications as it is not possible to inject analyte inside of the solid core.…”
Section: Photonic Crystal Fibermentioning
confidence: 99%
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