Temperature sensor based on liquid-filled negative curvature optical fibers

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

doi:10.1364/osac.2.002123

Cited by 22 publications

(13 citation statements)

References 33 publications

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“…They are linear effects involved in the process. Whereas the right side of equation (32) contains nonlinear effects [4,33]. The self-steepening is a typical nonlinear process related to the dependence of intensity on the group index.…”

Section: Supercontinuum Generationmentioning

confidence: 99%

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Supercontinuum Generation in Photonic Crystal Fibers Infiltrated with Liquids

Van

2021

Comm. in Phys.

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In this paper we present the development of a new direction in so-called optofluidics , namely the research of photonic crystal fibers (PCF) infiltrated with liquids. In particular we concentrate on the flagship application of PCF, the process of Supercontinuum Generation (SG), in which injected monochromatic pulse may be dramatically broadened (spectrally), which creates a coherent beam generation of high brightness comparable to that of monochromatic lasers. The supercontinuum is formed when a collection of nonlinear processes act together upon a pump beam in order to cause severe spectral broadening of the original pump beam. Explanation of this process is based on numerical simulations for Generalized Nonlinear Schrödinger equation (GNLSE) which describes the rich nonlinear dynamics of pulse propagation in nonlinear dispersive media. All nonlinear phenomena involved in SG will be analyzed. We present specially activity of the Polish-Vietnamese Group from the beginning in 2016 to recent time in this domain.

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Section: Supercontinuum Generationmentioning

confidence: 99%

“…We can mention some examples: the liquid core PCFs applied in e.g. sensing, laser, and SG; The AR fiber infiltrated with low-index liquid used for optofluidic laser [31] and as temperature sensors [32]. .…”

Section: Introductionmentioning

confidence: 99%

Supercontinuum Generation in Photonic Crystal Fibers Infiltrated with Liquids

Van

2021

Comm. in Phys.

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“…Unfortunately, PCF sensors (both solid-core and hollow-core) exhibit a major drawback associated with the rather cumbersome filling/infiltration of the small (<1 µm) holes [ 21 , 22 ]. ARFs, on the contrary, with their most common variation known as NCHCFs (negative curvature hollow-core fibers), are easier to fill due to the fact that their core and capillary diameters are larger [ 23 ], and they have already been used extensively in different experiments [ 24 , 25 , 26 ]. The wave-guiding mechanism of the NCHCFs is described by the inhibited coupling (IC) model [ 13 ].…”

Section: Introductionmentioning

confidence: 99%

Refractive Index Sensors Based on Long-Period Grating in a Negative Curvature Hollow-Core Fiber

Stawska

Popenda

2021

Sensors

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Long-period optical fiber gratings (LPGs) are one of the widely used concepts for the sensing of refractive index (RI) changes. Negative curvature hollow-core fibers (NCHCFs), with their relatively large internal diameters that are easy to fill with liquids, appear as a very interesting medium to combine with the idea of LPGs and use for RI sensing. However, to date, there has been no investigation of the RI sensing capabilities of the NCHCF-based LPGs. The results presented in the paper do not only address this matter, but also compare the RI sensitivities of the NCHCFs alone and the gratings. By modeling two revolver-type fibers, with their internal diameters reflecting the results of the possible LPG-inscription process, the authors show that the fibers’ transmission windows shift in response to the RI change, resulting in changes in RI sensitivities as high as −4411 nm/RIU. On the contrary, the shift in the transmission dip of the NCHCF-based LPGs corresponds to a sensitivity of −658 nm/RIU. A general confirmation of these results was ensured by comparing the analytical formulas describing the sensitivities of the NCHCFs and the NCHCF-based LPGs.

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“…Compared with hollow-core photonic band-gap fiber (HC-PBGF), the HC-NCF has great advantages, including simple cladding structure, low transmission loss, large guidance bandwidth, so it has gradually become the research hotspot. In recent years, the HC-NCFs have been demonstrated for low loss transmission [ 3 , 4 ], gas detection [ 5 ], temperature sensing [ 6 ], etc. Surface plasmon resonance (SPR) effect, which is caused by the collective electronic vibration, generally occurs on the interface between the two media with opposite dielectric constants [ 7 , 8 ].…”

Section: Introductionmentioning

confidence: 99%

Hollow-Core Negative Curvature Fiber with High Birefringence for Low Refractive Index Sensing Based on Surface Plasmon Resonance Effect

Qiu

Yuan

Zhou

et al. 2020

Sensors

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In this paper, a hollow-core negative curvature fiber (HC-NCF) with high birefringence is proposed for low refractive index (RI) sensing based on surface plasmon resonance effect. In the design, the cladding region of the HC-NCF is composed of only one ring of eight silica tubes, and two of them are selectively filled with the gold wires. The influences of the gold wires-filled HC-NCF structure parameters on the propagation characteristic are investigated by the finite element method. Moreover, the sensing performances in the low RI range of 1.20–1.34 are evaluated by the traditional confinement loss method and novel birefringence analysis method, respectively. The simulation results show that for the confinement loss method, the obtained maximum sensitivity, resolution, and figure of merit of the gold wires-filled HC-NCF-based sensor are −5700 nm/RIU, 2.63 × 10−5 RIU, and 317 RIU−1, respectively. For the birefringence analysis method, the obtained maximum sensitivity, resolution, and birefringence of the gold wires-filled HC-NCF-based sensor are −6100 nm/RIU, 2.56 × 10−5 RIU, and 1.72 × 10−3, respectively. It is believed that the proposed gold wires-filled HC-NCF-based low RI sensor has important applications in the fields of biochemistry and medicine.

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Temperature sensor based on liquid-filled negative curvature optical fibers

Cited by 22 publications

References 33 publications

Supercontinuum Generation in Photonic Crystal Fibers Infiltrated with Liquids

Supercontinuum Generation in Photonic Crystal Fibers Infiltrated with Liquids

Refractive Index Sensors Based on Long-Period Grating in a Negative Curvature Hollow-Core Fiber

Hollow-Core Negative Curvature Fiber with High Birefringence for Low Refractive Index Sensing Based on Surface Plasmon Resonance Effect

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