Bending loss and thermo-optic effect of a hybrid PDMS/silica photonic crystal fiber

Markos, Christos; Vlachos, K.; Kakarantzas, G.

doi:10.1364/oe.18.024344

Cited by 81 publications

(28 citation statements)

References 19 publications

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“…7. The wavelengths of resonant dips move toward longer wavelength direction due to the PDMS exhibits a highly negative TOC ( À 4.5 Â 10 À 4 /°C) [22], which is agree with the RI sensitivity characteristics of LPFG. The fitting curves are also presented in Fig.…”

Section: Resultssupporting

confidence: 81%

Sensitivity-enhanced temperature sensor based on PDMS-coated long period fiber grating

Wang

Zhang

et al. 2016

Optics Communications

109

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a b s t r a c tA sensitivity-enhanced temperature sensor based on a poly-dimethylsiloxane (PDMS)-coated long period fiber grating (LPFG) has been proposed and experimentally investigated. By embedding the LPFG in a temperature-sensitive elastomeric polymer, the temperature sensitivity of the proposed sensor could be effectively improved by 4 times higher than those of the conventional bare LPFG sensors due to the high thermo-optic coefficient (TOC) of PDMS. It can be found that the temperature sensitivities of higherorder modes are higher than those of lower-order modes by analyzing transmission spectra characteristics of the sensor. Because of LPFG is sensitive to surrounding refractive index (RI), the PDMS-coated LPFG will have a high temperature sensitivities of 255.4 pm/°C in the range of 20-80°C. Due to the high measurement resolution of 0.078°C, the sensor is promising to be applied to the fields that high-precision temperature measurement is required.

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Section: Resultssupporting

confidence: 81%

Sensitivity-enhanced temperature sensor based on PDMS-coated long period fiber grating

Wang

Zhang

et al. 2016

Optics Communications

109

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“…For instance, a LC 3 For a recent partial review on hybrid fibers based on solid materials, see Alexander Schmidt, Argyros, and Sorin (2016). 4 See, e.g., Kerbage et al (2002), Mach et al (2002), Domachuk, Nguyen, and Eggleton (2004), Kuhlmey, Eggleton, and Wu (2009), Markos, Vlachos, and Kakarantzas (2010, Markos, Antonopoulos, and Kakarantzas (2013), , and Vaiano et al (2016) and early reviews by Kerbage and Eggleton (2004) and Eggleton et al (2005).…”

Section: Liquid Crystal-filled Pcfsmentioning

confidence: 99%

Hybrid photonic-crystal fiber

et al. 2017

Self Cite

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This article offers an extensive survey of results obtained using hybrid photonic-crystal fibers (PCFs) which constitute one of the most active research fields in contemporary fiber optics. The ability to integrate novel and functional materials in solid-and hollow-core PCFs through various postprocessing methods has enabled new directions toward understanding fundamental linear and nonlinear phenomena as well as novel application aspects, within the fields of optoelectronics, material and laser science, remote sensing, and spectroscopy. Here the recent progress in the field of hybrid PCFs is reviewed from scientific and technological perspectives, focusing on how different fluids, solids, and gases can significantly extend the functionality of PCFs. The first part of this review discusses the efforts to develop tunable linear and nonlinear fiber-optic devices using PCFs infiltrated with various liquids, glasses, semiconductors, and metals. The second part concentrates on recent and state-of-the-art advances in the field of gas-filled hollow-core PCFs. Extreme ultrafast gas-based nonlinear optics toward light generation in the extreme wavelength regions of vacuum ultraviolet, pulse propagation, and compression dynamics in both atomic and molecular gases, and novel solitonplasma interactions are reviewed. A discussion of future prospects and directions is also included.

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“…Another practical aspect of the proposed methodology could be the temperature sensitivity of the cladding RI to the high temperatures encountered within oil transfer lines. A study by [ 19 ] on photonic Polydimethylsiloxane (PDMS) crystals shows a very small thermo-optic effect (variation of RI with temperature). PDMS will be the material of choice for the cladding of the fiber for reasons explained in subsequent sections.…”

Section: Methodology and Sensor Operation Principlementioning

confidence: 99%

Analytical Modeling Tool for Design of Hydrocarbon Sensitive Optical Fibers

Handawi

Vahdati

Shiryayev

et al. 2017

Sensors

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Pipelines are the main transportation means for oil and gas products across large distances. Due to the severe conditions they operate in, they are regularly inspected using conventional Pipeline Inspection Gages (PIGs) for corrosion damage. The motivation for researching a real-time distributed monitoring solution arose to mitigate costs and provide a proactive indication of potential failures. Fiber optic sensors with polymer claddings provide a means of detecting contact with hydrocarbons. By coating the fibers with a layer of metal similar in composition to that of the parent pipeline, corrosion of this coating may be detected when the polymer cladding underneath is exposed to the surrounding hydrocarbons contained within the pipeline. A Refractive Index (RI) change occurs in the polymer cladding causing a loss in intensity of a traveling light pulse due to a reduction in the fiber’s modal capacity. Intensity losses may be detected using Optical Time Domain Reflectometry (OTDR) while pinpointing the spatial location of the contact via time delay calculations of the back-scattered pulses. This work presents a theoretical model for the above sensing solution to provide a design tool for the fiber optic cable in the context of hydrocarbon sensing following corrosion of an external metal coating. Results are verified against the experimental data published in the literature.

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Bending loss and thermo-optic effect of a hybrid PDMS/silica photonic crystal fiber

Cited by 81 publications

References 19 publications

Sensitivity-enhanced temperature sensor based on PDMS-coated long period fiber grating

Sensitivity-enhanced temperature sensor based on PDMS-coated long period fiber grating

Hybrid photonic-crystal fiber

Analytical Modeling Tool for Design of Hydrocarbon Sensitive Optical Fibers

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