Photonic Crystal Fibers: A New Class of Optical Waveguides

Broeng, Jes; Mogilevstev, Dmitri; Barkou, S.E.; Bjarklev, Anders

doi:10.1006/ofte.1998.0279

Cited by 519 publications

(212 citation statements)

References 37 publications

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“…Due to the technological progress in the fabrication of PCFs, our reported structure can be feasibly fabricated. Various fabrication techniques have been advanced for micro structured PCF like extrusion [49], stack and draw [50], drilling [51], and sol-gel casting [52]. Extrusion method contributes exemption in design.…”

Section: Numerical Results and Discussionmentioning

confidence: 99%

Design of a porous cored hexagonal photonic crystal fiber based optical sensor with high relative sensitivity for lower operating wavelength

et al. 2017

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Abstract:In this article, highly sensitive and low confinement loss enriching micro structured photonic crystal fiber (PCF) has been suggested as an optical sensor. The proposed PCF is porous cored hexagonal (P-HPCF) where cladding contains five layers with circular air holes and core vicinity is formed by two layered elliptical air holes. Two fundamental propagation characteristics such as the relative sensitivity and confinement loss of the proposed P-HPCF have been numerically scrutinized by the full vectorial finite element method (FEM) simulation procedure. The optimized values are modified with different geometrical parameters like diameters of circular or elliptical air holes, pitches of the core, and cladding region over a spacious assortment of wavelength from 0.8 m to 1.8 m. All pretending results exhibit that the relative sensitivity is enlarged according to decrement of wavelength of the transmission band (O+E+S+C+L+U). In addition, all useable liquids reveal the maximum sensitivity of 57.00%, 57.18%, and 57.27% for n=1.33, 1.354, and 1.366 respectively by lower band. Moreover, effective area, nonlinear coefficient, frequency, propagation constant, total electric energy, total magnetic energy, and wave number in free space of the proposed P-HPCF have been reported recently.

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Section: Numerical Results and Discussionmentioning

confidence: 99%

Design of a porous cored hexagonal photonic crystal fiber based optical sensor with high relative sensitivity for lower operating wavelength

et al. 2017

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“…1. Different methods have been offered for the fabrication of micro-structured fibers such as stack and draw [47], drilling [48], sol-gel casting [49], and extrusion [50] methods. Triangular or honeycomb lattices can be fabricated by stack and draw methods but cannot easily generate circular patterns.…”

Section: Numerical Results and Discussionmentioning

confidence: 99%

Design and optimization of photonic crystal fiber based sensor for gas condensate and air pollution monitoring

et al. 2017

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Abstract:In this paper, a hexagonal shape photonic crystal fiber (H-PCF) has been proposed as a gas sensor of which both micro-structured core and cladding are organized by circular air cavities. The reported H-PCF has a single layer circular core which is surrounded by a five-layer hexagonal cladding. The overall pretending process of the H-PCF is completed by using a full vectorial finite element method (FEM) with perfectly matched layer (PML) boundary condition. All geometrical parameters like diameters and pitches of both core and cladding regions have fluctuated with an optimized structure. After completing the numerical analysis, it is clearly visualized that the proposed H-PCF exhibits high sensitivity with low confinement loss. The investigated results reveal the relative sensitivity of 56.65% and confinement loss of 2.31×10 5 dB/m at the 1.33-m wavelength. Moreover, effective area, nonlinearity, and V-parameter of the suggested PCF are also briefly described.

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“…However, this proposed structure can be fabricated by the present available technology due to technological advancement in the fabrication of PCFs. Several methods have been developed for the fabrication of microstructured fibers such as stack and draw [27], sol-gel casting [28], drilling [9], and extrusion [29] methods. Stack and draw methods are bounded to closest-packed geometries such as triangular or honeycomb lattices and cannot easily generate circular patterns.…”

Section: Numerical Analysis and Equationsmentioning

confidence: 99%

Enhancement of the sensitivity of gas sensor based on microstructure optical fiber

2015

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This paper proposes the design and characterization of microstructure optical fiber for gas sensing applications. The aim is to detect toxic and colorless gases over a wide transmission band covering 0.80 m to 2.00 m wavelength. Numerical investigation is carried out by using the finite element method (FEM). The numerical study shows that sensitivity of the proposed sensor is moderately increased by introducing four non-circular holes around the defected core of photonic crystal fiber and the confinement loss is also reduced. Furthermore, we confirm that increasing the diameter of central air core and size of the non-circular holes can improve the relative sensitivity and the confinement loss is reduced by increasing the diameter of air holes in the cladding. The enhancement of the relative sensitivity is more than 27.58% (0.1323 to 0.1688) at the wavelength =1.33m that is the absorption line of methane (CH 4 ) and hydrogen fluoride (HF) gases. The confinement loss of the fiber is 1.765×10 8 dB/m.

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Photonic Crystal Fibers: A New Class of Optical Waveguides

Cited by 519 publications

References 37 publications

Design of a porous cored hexagonal photonic crystal fiber based optical sensor with high relative sensitivity for lower operating wavelength

Design of a porous cored hexagonal photonic crystal fiber based optical sensor with high relative sensitivity for lower operating wavelength

Design and optimization of photonic crystal fiber based sensor for gas condensate and air pollution monitoring

Enhancement of the sensitivity of gas sensor based on microstructure optical fiber

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