Temperature Sensor Using Fluid-Filled Negative Curvature Fibers

Wei, Chenyu; Young, Joshua T.; Menyuk, Curtis R.; Hu, Jonathan

doi:10.1364/cleo_at.2018.jw2a.179

Cited by 3 publications

(3 citation statements)

References 8 publications

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“…Since they were first proposed [1], and then experimentally demonstrated [2], single-ring Tube Lattice Fibers (TLFs) have been showing extremely interesting optical properties, making them good candidates as hollow-core low-loss broadband fibers for applications from the terahertz band [3,4] to visible and ultraviolet wavelengths [5,6], including the mid-infrared [7,8] spectral range. More recently they have proved to be also a good platform for sensing [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

A simple analytical model for confinement loss estimation in hollow-core Tube Lattice Fibers

Vincetti¹,

Rosa²

2019

Opt. Express

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In this work, we propose an analytical model for estimating confinement loss in Tube Lattice Fibers. It is based on the single-tube model and the inhibited coupling waveguiding mechanism. The comparison with numerical simulations of tube lattice fibers having different geometrical parameters and dielectric refractive indexes demonstrates the model validity and effectiveness. Being based only on analytical closed formulas, it constitutes a useful tool for rapid estimation of TLF CL. It also gives a more in-depth insight into the TLF guiding mechanisms, confirming the inhibited coupling is an appropriate and effective model for such kind of fibers.

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Section: Introductionmentioning

confidence: 99%

A simple analytical model for confinement loss estimation in hollow-core Tube Lattice Fibers

Vincetti¹,

Rosa²

2019

Opt. Express

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“…Since their first demonstration [1], hollow-core fibers have been opening up plenty of opportunities in several photonic applications [2][3][4], such as high-power delivery [5,6], broadband, and super-continuum generation [7,8], and sensing [9][10][11]. Hollow-core (HC) wave-guiding can be obtained by exploiting either the absence of cladding modes, as in photonic-bandgap fibers (PBGFs), or the spatial frequency mismatch, combined with minimal spatial overlap between cladding modes and core mode, as in inhibited-coupling fibers (ICFs) [6,7,12,13], also known as anti-resonant fibers [14,15].…”

Section: Introductionmentioning

confidence: 99%

Analytical Formulas for Dispersion and Effective Area in Hollow-Core Tube Lattice Fibers

Rosa

Melli

Vincetti

2021

Fibers

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In this work, we propose analytical formulas for the estimation of dispersion properties and effective area of the fundamental mode of hollow-core inhibited coupling fibers with a microstructured cladding composed by a ring of dielectric tubes. The formulas are based on a model which has already been successfully applied to the estimation of confinement loss. The model takes into account the effects of the coupling of the fundamental core mode with the cladding modes in the context of the single-tube approximation. Effective index, group velocity dispersion, and effective area of the fundamental mode are estimated and compared with the results obtained from numerical simulations, by considering ten different fibers. The comparison shows a good accuracy of the proposed formulas, which do not require any tuning of fitting parameters. On the basis of the analysis carried out, a scaling law relating the effective area to the core radius is also given. Finally, the formulas give a good estimation of the same parameters of other Hollow-core inhibited coupling fibers, such as nested, ice-cream, and kagome fibers.

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“…Owing to their unique structures and optical properties, HCFs successfully found application in many fields of science and techniques, including biological, chemical and environmental sensing. HCFs have been used in different kinds of sensing and measurement applications, i.e., temperature measurement [2][3][4][5], gas [6][7][8][9], strain [10], magnetic field [11], hydrostatic pressure [12], flying particle [13,14] and plasmonic sensors [15].…”

Section: Introductionmentioning

confidence: 99%

Combining Hollow Core Photonic Crystal Fibers with Multimode, Solid Core Fiber Couplers through Arc Fusion Splicing for the Miniaturization of Nonlinear Spectroscopy Sensing Devices

Stawska

Popenda

Bereś-Pawlik

2018

Fibers

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The presence of fiber optic devices, such as couplers or wavelength division multiplexers, based on hollow-core fibers (HCFs) is still rather uncommon, while such devices can be imagined to greatly increase the potential of HCFs for different applications, such as sensing, nonlinear optics, etc. In this paper, we present a combination of a standard, multimode fiber (MMF) optic coupler with a hollow core photonic bandgap fiber through arc fusion splicing and its application for the purpose of multiphoton spectroscopy. The presented splicing method is of high affordability due to the low cost of arc fusion splicers, and the measured splicing loss (SL) of the HCF-MMF splice is as low as (0.32 ± 0.1) dB, while the splice itself is durable enough to withstand a bending radius (rbend) of 1.8 cm. This resulted in a hybrid between the hollow core photonic bandgap fiber (HCPBF) and MMF coupler, delivering 20 mW of average power and 250-fs short laser pulses to the sample, which was good enough to test the proposed sensor setup in a simple, proof-of-concept multiphoton fluorescence excitation-detection experiment, allowing the successful measurement of the fluorescence emission spectrum of 10−5 M fluorescein solution. In our opinion, the presented results indicate the possibility of creating multi-purpose HCF setups, which would excel in various types of sensing applications.

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Temperature Sensor Using Fluid-Filled Negative Curvature Fibers

Cited by 3 publications

References 8 publications

A simple analytical model for confinement loss estimation in hollow-core Tube Lattice Fibers

A simple analytical model for confinement loss estimation in hollow-core Tube Lattice Fibers

Analytical Formulas for Dispersion and Effective Area in Hollow-Core Tube Lattice Fibers

Combining Hollow Core Photonic Crystal Fibers with Multimode, Solid Core Fiber Couplers through Arc Fusion Splicing for the Miniaturization of Nonlinear Spectroscopy Sensing Devices

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