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Journal articles on the topic 'Highly nonlinear fibre'

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Author: Grafiati

Published: 10 December 2022

Last updated: 28 January 2023

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1

Salim, M. A. M., Saaidal R. Azzuhri, M. I. M. Abdul Khudus, M. Z. A. Razak, N. S. Nasir, and I. S. Amiri. "Generation of dual-wavelength ytterbium-doped fibre laser using a highly nonlinear fibre." Laser Physics 28, no. 11 (September 13, 2018): 115107. http://dx.doi.org/10.1088/1555-6611/aadc51.

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2

Radic, S., C. J. McKinstrie, R. M. Jopson, J. C. Centanni, Q. Lin, and G. P. Agrawal. "Record performance of parametric amplifier constructed with highly nonlinear fibre." Electronics Letters 39, no. 11 (2003): 838. http://dx.doi.org/10.1049/el:20030544.

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3

Sakamoto, T., A. Okada, O. Moriwaki, M. Matsuoka, and K. Kikuchi. "Variable optical delay circuit using highly nonlinear fibre parametric wavelength converters." Electronics Letters 39, no. 2 (2003): 198. http://dx.doi.org/10.1049/el:20030130.

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4

Saldaña-Díaz, J. E., S. Jarabo, and F. J. Salgado-Remacha. "Octave-spanning supercontinuum generation in highly nonlinear silica fibres based on cost-effective fibre amplifiers." Laser Physics Letters 13, no. 9 (August 2, 2016): 095102. http://dx.doi.org/10.1088/1612-2011/13/9/095102.

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5

Abedin, K. S., and F. Kubota. "10 GHz, 1 ps regeneratively modelocked fibre laser incorporating highly nonlinear and dispersive photonic crystal fibre for intracavity nonlinear pulse compression." Electronics Letters 40, no. 1 (2004): 58. http://dx.doi.org/10.1049/el:20040051.

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6

Williams, D. L., K. Smith, R. J. Manning, M. J. Holmes, J. Lucek, J. Devaney, and B. J. Ainslie. "Optical modelocking at 10 GHz using a highly nonlinear germanosilicate optical fibre." Electronics Letters 31, no. 15 (July 20, 1995): 1256–57. http://dx.doi.org/10.1049/el:19950877.

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7

Watanabe, S., and S. Takeda. "All-optical noise suppression using two-stage highly-nonlinear fibre loop interferometers." Electronics Letters 36, no. 1 (2000): 52. http://dx.doi.org/10.1049/el:20000136.

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8

Matsumoto, M., and O. Leclerc. "Analysis of 2R optical regenerator utilising self-phase modulation in highly nonlinear fibre." Electronics Letters 38, no. 12 (2002): 576. http://dx.doi.org/10.1049/el:20020399.

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9

An, Lin, Zheng Zheng, Yusheng Bian, Zheng Li, Sen Shi, Tao Zhou, and Jiangtao Cheng. "Dispersion-modified, highly nonlinear holey fibre with a high index, slot-structure core." Journal of Optics 12, no. 11 (September 30, 2010): 115502. http://dx.doi.org/10.1088/2040-8978/12/11/115502.

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10

Shalihah, Fithriyah, Arnan Mitchell, and Lam Bui. "Optical Correlation Using Four Wave Mixing in a Highly Nonlinear Fibre for Real-Time Serialized Ultrafast Systems." International Journal of Electronics and Telecommunications 59, no. 3 (September 1, 2013): 207–12. http://dx.doi.org/10.2478/eletel-2013-0024.

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Abstract A method of all-optical correlation is proposed using the nonlinear phenomena Four Wave Mixing (FWM) of two different signals. The method shows a serial solution where correlation of an ultrafast real-time serialized broadband source is demonstrated using a Highly Non-Linear Fibre (HNLF) with correlation rate reaching 200MHz.

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11

Peucheret, C., B. Zsigri, P. A. Andersen, K. S. Berg, A. Tersigni, P. Jeppesen, K. P. Hansen, and M. D. Nielsen. "40 Gbit∕s transmission over photonic crystal fibre using mid-span spectral inversion in highly nonlinear photonic crystal fibre." Electronics Letters 39, no. 12 (2003): 919. http://dx.doi.org/10.1049/el:20030585.

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12

Fukuchi, Y., and J. Maeda. "Wavelength-tunable and pulsewidth-variable actively modelocked short-cavity fibre laser using bismuth-based highly nonlinear erbium-doped fibre." Electronics Letters 48, no. 16 (August 2, 2012): 1012–13. http://dx.doi.org/10.1049/el.2012.2157.

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13

Barkoula, Nektaria M., Ben Alcock, Tim B. van Erp, Leon E. Govaert, and Ton Peijs. "Nonlinear creep response of oriented polypropylene tapes." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 232, no. 12 (July 6, 2016): 987–92. http://dx.doi.org/10.1177/1464420716659093.

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The creep response of a highly oriented polypropylene tape used for the manufacture of self-reinforced polypropylene or all-polypropylene composites was studied over a range of stresses and temperatures. Similar to oriented polyethylene, the creep compliance is linear viscoelastic at short loading times, whereas pronounced stress dependence is observed at longer loading times. A mathematical model is proposed, where the total deformation of the fibre is regarded as being composed of a stress-linear delayed elastic component and a nonlinear plastic flow contribution. Model predictions are in good agreement with the experimental data.

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14

Shahiruddin, M. Ashique Hassan, Anand Kumar, and Dharmendra K. Singh. "Structural and Behavioural Analysis of As₂Se₃, TeO₂, SiC, SiO₂ and Si₃N₄ for Photonic Application." Materials Science Forum 978 (February 2020): 360–68. http://dx.doi.org/10.4028/www.scientific.net/msf.978.360.

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The materials significantly influence the structural, optical and photoelectrical characteristic. Materials such as Arsenic selenide, Tellurite Glass, Silicon carbide, Silicon dioxide and Silicon nitride are investigated through finite element method. The models are established to analyse the structural behaviour of polarization preserving fibre of proposed materials. Photoelectric characteristic determines guided properties of photon particles. Refractive index of the materials influences the properties of photonic crystal fibre. A Polarization Splitter based hexagonal structure is proposed, where inner ring of cladding is in elliptical shape air holes and outer rings are in circular air holes. It provides highly negative dispersion, low confinement loss and high nonlinear coefficient between 1µm to 2µm wide wavelength ranges. The dispersion result shows -2000 db/km-nm at 1.55µm wavelength. Polarization beam splitters photonic crystal fiber characteristics of proposed materials are analysed with same structural parameters.

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15

Petit, S., T. Kurosu, M. Takahashi, T. Yagi, and S. Namiki. "Continuously tunable wavelength converter by four-wave mixing in SBS suppressed highly nonlinear fibre." Electronics Letters 45, no. 21 (2009): 1084. http://dx.doi.org/10.1049/el.2009.9044.

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16

Cherif, Rim, and Mourad Zghal. "Nonlinear Phenomena of Ultra-Wide-Band Radiation in a Photonic Crystal Fibre." International Journal of Optics 2011 (2011): 1–6. http://dx.doi.org/10.1155/2011/374581.

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We report the results of a numerical and experimental analysis of femtosecond pulse propagation in a highly nonlinear photonic crystal fibre (PCF). The propagation of ultrashort pulses in PCF is studied taking into account the effects of dispersion, self-phase modulation, stimulated Raman scattering, and self-steepening. The interaction between linear and nonlinear effects is investigated in order to better understand the interplay of these effects leading to the supercontinuum generation. The initial stage of an ultra-wide-band supercontinuum generation under femtosecond pumping is pointed out. Details about the expansion of the blue and red sides of the supercontinuum due to transfer of energy to dispersive waves are revealed and experimentally confirmed. Our experimental results are compared to numerical solution of the nonlinear Schrödinger equation. Good agreement is found.

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17

Triki, Houria, and Thokala Soloman Raju. "Dynamics of self-similar sub-10-fs-pulses in an inhomogeneous highly nonlinear fibre amplifier." Journal of Modern Optics 67, no. 6 (March 29, 2020): 490–500. http://dx.doi.org/10.1080/09500340.2020.1758816.

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18

Longobucco, M., I. Astrauskas, A. Pugžlys, D. Pysz, F. Uherek, A. Baltuška, R. Buczyński, and I. Bugár. "Broadband self-switching of femtosecond pulses in highly nonlinear high index contrast dual-core fibre." Optics Communications 472 (October 2020): 126043. http://dx.doi.org/10.1016/j.optcom.2020.126043.

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19

Vinegoni, C., M. Wegmuller, B. Huttner, and N. Gisin. "Measurement of nonlinear polarization rotation in a highly birefringent optical fibre using a Faraday mirror." Journal of Optics A: Pure and Applied Optics 2, no. 4 (June 23, 2000): 314–18. http://dx.doi.org/10.1088/1464-4258/2/4/313.

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20

Mélin, G., D. Labat, L. Galkovsky, A. Fleureau, S. Lempereur, A. Mussot, and A. Kudlinski. "Highly-nonlinear photonic crystal fibre with high figure of merit around 1 [micro sign]m." Electronics Letters 48, no. 4 (2012): 232. http://dx.doi.org/10.1049/el.2011.3829.

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21

Pathak, Amit, Vikram S. Deshpande, Robert M. McMeeking, and Anthony G. Evans. "The simulation of stress fibre and focal adhesion development in cells on patterned substrates." Journal of The Royal Society Interface 5, no. 22 (October 16, 2007): 507–24. http://dx.doi.org/10.1098/rsif.2007.1182.

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The remodelling of the cytoskeleton and focal adhesion (FA) distributions for cells on substrates with micro-patterned ligand patches is investigated using a bio-chemo-mechanical model. We investigate the effect of ligand pattern shape on the cytoskeletal arrangements and FA distributions for cells having approximately the same area. The cytoskeleton model accounts for the dynamic rearrangement of the actin/myosin stress fibres. It entails the highly nonlinear interactions between signalling, the kinetics of tension-dependent stress-fibre formation/dissolution and stress-dependent contractility. This model is coupled with another model that governs FA formation and accounts for the mechano-sensitivity of the adhesions from thermodynamic considerations. This coupled modelling scheme is shown to capture a variety of key experimental observations including: (i) the formation of high concentrations of stress fibres and FAs at the periphery of circular and triangular, convex-shaped ligand patterns; (ii) the development of high FA concentrations along the edges of the V-, T-, Y- and U-shaped concave ligand patterns; and (iii) the formation of highly aligned stress fibres along the non-adhered edges of cells on the concave ligand patterns. When appropriately calibrated, the model also accurately predicts the radii of curvature of the non-adhered edges of cells on the concave-shaped ligand patterns.

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22

Kibler, B., R. Fischer, P. A. Lacourt, F. Courvoisier, R. Ferriere, L. Larger, D. N. Neshev, and J. M. Dudley. "Optimised one-step compression of femtosecond fibre laser soliton pulses around 1550 nm to below 30 fs in highly nonlinear fibre." Electronics Letters 43, no. 17 (2007): 915. http://dx.doi.org/10.1049/el:20071726.

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23

Selvendran, S., and A. Sivanantharaja. "Performance investigation of optical wavelength conversion using a newly designed highly nonlinear ultra-flattened dispersion fibre." Quantum Electronics 49, no. 6 (June 17, 2019): 585–92. http://dx.doi.org/10.1070/qel16495.

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24

Pottiez, O., E. A. Kuzin, B. Ibarra-Escamilla, and F. Méndez Martı́nez. "Easily tuneable nonlinear optical loop mirror including low-birefringence, highly twisted fibre with invariant output polarisation." Optics Communications 229, no. 1-6 (January 2004): 147–59. http://dx.doi.org/10.1016/j.optcom.2003.10.020.

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25

Du, Jiangbing, and Zuyuan He. "FBG sensor for strain measurement with enhanced sensitivity by using degenerated FWM in highly nonlinear fibre." Electronics Letters 49, no. 22 (October 2013): 1399–401. http://dx.doi.org/10.1049/el.2013.1931.

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26

Kibler, B., R. Fischer, G. Genty, D. N. Neshev, and J. M. Dudley. "Simultaneous fs pulse spectral broadening and third harmonic generation in highly nonlinear fibre: experiments and simulations." Applied Physics B 91, no. 2 (April 16, 2008): 349–52. http://dx.doi.org/10.1007/s00340-008-3012-8.

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27

Selvendran, S., A. Sivanantharaja, S. Arivazhagan, and M. Kannan. "Effect of alpha and Gaussian refractive index profiles on the design of highly nonlinear optical fibre for efficient nonlinear optical signal processing." Quantum Electronics 46, no. 9 (September 28, 2016): 829–38. http://dx.doi.org/10.1070/qel15973.

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28

Vilcane, K., S. Matsenko, M. Parfjonovs, R. Murnieks, M. Aleksejeva, and S. Spolitis. "Implementation of Multi-Wavelength Source for DWDM-PON Fiber Optical Transmission Systems." Latvian Journal of Physics and Technical Sciences 57, no. 4 (August 1, 2020): 24–33. http://dx.doi.org/10.2478/lpts-2020-0019.

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AbstractFour-wave mixing (FWM) is one of the well-known nonlinear optical effects (NOE), and it is considered as an adverse impact in fibre optical communication lines. This nonlinear optical effect as a productive one can be used in fibre optical communication systems for various optical processing functions, like wavelength conversion, high-speed time-division multiplexing (TDM), pulse compression, fibre optical parametric amplifiers (FOPA), etc. In most of the fibre optical communication systems, each data transmission channel requires one light source (e.g., laser) as a carrier, which can make these transmission systems expensive. For example, to provide operation of 4-channel dense wavelength-division-multiplexed (DWDM) system four separate lasers at specific operation wavelengths are needed. On the contrary, through the FWM effect, which can be obtained in highly nonlinear optical fibre (HNLF) by using two high-power pump lasers, the generation of new multiple carriers forming the laser array or a multi-wavelength source is possible. Accordingly, within the present research, we investigate the latter approach for FWM light source implementation in DWDM passive optical networks (DWDM-PONs). We analyse up to 16-channel 50 GHz spaced DWDM-PON system with a bitrate of up to 10 Gbit/s per channel, constructed on the basis of two high-power continuous wave (CW) pump lasers. We evaluate the system performance against the number of its channels by changing it from 4 to 16 and in each case find the most optimal HNLF fibre length (for a 4-channel system it is 0.9 km; for an 8-channel system – 1.39 km; and for a 16-channel system – 1.05 km) and laser pump powers (for a 4-channel system it is 20 dBm; for an 8-channel system – 24.1 dBm; and for a 16-channel system – 26.3 dBm). These optimal parameters were found in order to get the highest system performance, respectively, the lowest BER (threshold BER≤10−10), and minimal power fluctuations among FWM generated carriers. The obtained results show that the proposed transmission system can be a promising solution for next-generation high-speed PONs.

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29

Bauer, Roman, and Marcus Kaiser. "Nonlinear growth: an origin of hub organization in complex networks." Royal Society Open Science 4, no. 3 (March 2017): 160691. http://dx.doi.org/10.1098/rsos.160691.

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Many real-world networks contain highly connected nodes called hubs. Hubs are often crucial for network function and spreading dynamics. However, classical models of how hubs originate during network development unrealistically assume that new nodes attain information about the connectivity (for example the degree) of existing nodes. Here, we introduce hub formation through nonlinear growth where the number of nodes generated at each stage increases over time and new nodes form connections independent of target node features. Our model reproduces variation in number of connections, hub occurrence time, and rich-club organization of networks ranging from protein–protein, neuronal and fibre tract brain networks to airline networks. Moreover, nonlinear growth gives a more generic representation of these networks compared with previous preferential attachment or duplication–divergence models. Overall, hub creation through nonlinear network expansion can serve as a benchmark model for studying the development of many real-world networks.

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30

Fatome, J., S. Pitois, and G. Millot. "320∕640 GHz high-quality pulse sources based on multiple four-wave mixing in highly nonlinear optical fibre." Electronics Letters 41, no. 25 (2005): 1391. http://dx.doi.org/10.1049/el:20053575.

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31

Shah, Syed Zulfiqar Hussain, Puteri S. M. Megat-Yusoff, Saravanan Karuppanan, Rizwan Saeed Choudhry, and Zubair Sajid. "Off-Axis and On-Axis Performance of Novel Acrylic Thermoplastic (Elium®) 3D Fibre-Reinforced Composites under Flexure Load." Polymers 14, no. 11 (May 30, 2022): 2225. http://dx.doi.org/10.3390/polym14112225.

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The flexure response of novel thermoplastic (Elium®) 3D fibre-reinforced composites (FRC) was evaluated and compared with a conventional thermoset (Epolam®)-based 3D-FRC. Ten different types of sample 3D-FRC were prepared by varying fibre orientations, i.e., 0°, 30°, 45°, 60° and 90°, and resin system, i.e., thermoplastic and thermoset. The bending characteristics and failure mechanisms were determined by conducting a three-point bend test. Results elucidate that the on-axis specimens show linear response and brittle failure; in contrast, the off-axis specimens depicted highly nonlinear response and ductile failure. The thermoplastic on-axis specimen exhibited almost similar flexure strength; in comparison, the off-axis specimens show ~17% lower flexure strength compared to thermoset 3D-FRC. Thermoplastic 3D-FRC shows ~40% higher energy absorption, ~23% lower flexure modulus and ~27% higher flexure strains as compared to its thermoset counterpart.

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32

Chow, K. K. "High average power super-continuum generation using 1 [micro sign]m noise burst and highly-nonlinear photonic crystal fibre." Electronics Letters 48, no. 13 (2012): 781. http://dx.doi.org/10.1049/el.2012.0745.

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33

Butler, Liam J., Jinlong Xu, Ping He, Niamh Gibbons, Samir Dirar, Campbell R. Middleton, and Mohammed ZEB Elshafie. "Robust fibre optic sensor arrays for monitoring early-age performance of mass-produced concrete sleepers." Structural Health Monitoring 17, no. 3 (June 25, 2017): 635–53. http://dx.doi.org/10.1177/1475921717714615.

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This study investigates integrating fibre optic sensing technology into the production process of concrete railway sleepers. Robust fibre Bragg grating strain and temperature sensor arrays were developed specifically for this application and were designed for long-term monitoring of sleeper performance. The sensors were used to monitor sleeper production and to help gain a deeper understanding of their early-age behaviour which can highly influence long-term performance. In total, 12 sleepers were instrumented and strain data were collected during the entire manufacturing process including concrete casting and curing, prestressing strand detensioning and qualification testing. Following the production process, sleepers were stored temporarily and monitored for 4 months until being placed in service. The monitoring results highlight the intrinsic variability in strain development among identical sleepers, despite high levels of production quality control. Using prestress loss as a quality control indicator, the integrated sensing system demonstrated that sleepers were performing within Eurocode-based design limits prior to being placed in service. A three-dimensional nonlinear finite element model was developed to provide additional insight into the sleepers’ early-age behaviour. Based on the fibre Bragg grating–calibrated finite element model, more realistic estimates for the creep coefficient were provided and found to be 48% of the Eurocode-predicted values.

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34

Azmi, A. I., Richard Lin, and Debes Bhattacharyya. "Fuzzy Logic Predictive Model of Tool Wear in End Milling Glass Fibre Reinforced Polymer Composites." Advanced Materials Research 214 (February 2011): 329–33. http://dx.doi.org/10.4028/www.scientific.net/amr.214.329.

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This paper presents development of tool wear prediction models in end milling of glass fibre reinforced polymer (GFRP) composites. Adaptive network based fuzzy inference system (ANFIS) was employed to accurately predict the amount of tool wear as a function of spindle speed, feed rate and measured machining forces. End milling experiments were performed with K20 tungsten carbide end mill cutter under dry condition in order to gather all experimental data. Results show that ANFIS is capable of estimating tool wear with excellent accuracy in the highly nonlinear region of tool wear and the machining forces relationships. Statistical analyses of the two tool wear-machining force ANFIS models reveal that the tool wear-feed force relationship has better predictive capability compared to that of the tool wear-cutting force relationship.

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35

Konno, Ryan N., Nilima Nigam, and James M. Wakeling. "Modelling extracellular matrix and cellular contributions to whole muscle mechanics." PLOS ONE 16, no. 4 (April 2, 2021): e0249601. http://dx.doi.org/10.1371/journal.pone.0249601.

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Skeletal muscle tissue has a highly complex and heterogeneous structure comprising several physical length scales. In the simplest model of muscle tissue, it can be represented as a one dimensional nonlinear spring in the direction of muscle fibres. However, at the finest level, muscle tissue includes a complex network of collagen fibres, actin and myosin proteins, and other cellular materials. This study shall derive an intermediate physical model which encapsulates the major contributions of the muscle components to the elastic response apart from activation-related along-fibre responses. The micro-mechanical factors in skeletal muscle tissue (eg. connective tissue, fluid, and fibres) can be homogenized into one material aggregate that will capture the behaviour of the combination of material components. In order to do this, the corresponding volume fractions for each type of material need to be determined by comparing the stress-strain relationship for a volume containing each material. This results in a model that accounts for the micro-mechanical features found in muscle and can therefore be used to analyze effects of neuro-muscular diseases such as cerebral palsy or muscular dystrophies. The purpose of this study is to construct a model of muscle tissue that, through choosing the correct material parameters based on experimental data, will accurately capture the mechanical behaviour of whole muscle. This model is then used to look at the impacts of the bulk modulus and material parameters on muscle deformation and strain energy-density distributions.

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36

Ellis, A. D., R. J. Manning, I. D. Phillips, and D. Nesset. "1.6 ps pulse generation at 40 GHz in phaselocked ring laser incorporating highly nonlinear fibre for application to 160 Gbit/s OTDM networks." Electronics Letters 35, no. 8 (1999): 645. http://dx.doi.org/10.1049/el:19990429.

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37

Bahrain, Siti Humairah Kamarul, Nor Nabilah Che Abd Rahim, Jamaluddin Mahmud, M. N. Mohammed, S. M. Sapuan, R. A. Ilyas, Samah Elsayed Alkhatib, and M. R. M. Asyraf. "Hyperelastic Properties of Bamboo Cellulosic Fibre–Reinforced Silicone Rubber Biocomposites via Compression Test." International Journal of Molecular Sciences 23, no. 11 (June 6, 2022): 6338. http://dx.doi.org/10.3390/ijms23116338.

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Materials that exhibit highly nonlinear behaviour are intricate to study. This is due to their physical properties, as they possess a very large deformation. Silicone rubber is among the materials that can be classified as possessing such characteristics, despite their being soft and frequently applied in medical applications. Due to their low mechanical properties, however, it is believed that a filler addition could enhance them. This study, therefore, aims to investigate the effect of the addition of bamboo cellulosic filler to silicone rubber in terms of its compressive properties in order to quantify its material constants using the hyperelastic theory, specifically the Neo-Hookean and Mooney–Rivlin models. The specimens’ compressive properties were also compared between specimens immersed in seawater and those not immersed in seawater. The findings showed that the compressive properties, stiffness, and compressive strength of the bamboo cellulosic fibre reinforced the silicone rubber biocomposites, improved with higher bamboo filler addition. Specimens immersed in seawater showed that they can withstand a compressive load of up to 83.16 kPa in comparison to specimens not immersed in seawater (up to 79.8 kPa). Using the hyperelastic constitutive models, the Mooney–Rivlin model displayed the most accurate performance curve fit with the experimental compression data with an R2 of up to 0.9999. The material constant values also revealed that the specimens immersed in seawater improved in stiffness property, as the C1 material constant values are higher than for the specimens not immersed in seawater. From these findings, this study has shown that bamboo cellulosic filler added into silicone rubber enhances the material’s compressive properties and that the rubber further improves with immersion in seawater. Thus, these findings contribute significantly towards knowledge of bamboo cellulosic fibre–reinforced silicone rubber biocomposite materials.

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38

Gerritzen, Johannes, Andreas Hornig, Benjamin Gröger, and Maik Gude. "A Data Driven Modelling Approach for the Strain Rate Dependent 3D Shear Deformation and Failure of Thermoplastic Fibre Reinforced Composites: Experimental Characterisation and Deriving Modelling Parameters." Journal of Composites Science 6, no. 10 (October 17, 2022): 318. http://dx.doi.org/10.3390/jcs6100318.

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The 3D shear deformation and failure behaviour of a glass fibre reinforced polypropylene in a shear strain rate range of γ˙=2.2×10−4 to 3.4 1s is investigated. An Iosipescu testing setup on a servo-hydraulic high speed testing unit is used to experimentally characterise the in-plane and out-of-plane behaviour utilising three specimen configurations (12-, 13- and 31-direction). The experimental procedure as well as the testing results are presented and discussed. The measured shear stress–shear strain relations indicate a highly nonlinear behaviour and a distinct rate dependency. Two methods are investigated to derive according material characteristics: a classical engineering approach based on moduli and strengths and a data driven approach based on the curve progression. In all cases a Johnson–Cook based formulation is used to describe rate dependency. The analysis methodologies as well as the derived model parameters are described and discussed in detail. It is shown that a phenomenologically enhanced regression can be used to obtain material characteristics for a generalising constitutive model based on the data driven approach.

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39

Tan Fang, 谭芳, 许鹏飞 Xu Pengfei, 周德春 Zhou Dechun, 杨强 Yang Qiang, 王丽丽 Wang Lili, and 宋向阳 Song Xiangyang. "高非线性Bi2O3-GeO2-Ga2O3光子晶体光纤性能研究." Laser & Optoelectronics Progress 59, no. 3 (2022): 0306003. http://dx.doi.org/10.3788/lop202259.0306003.

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40

YU Haihu, 余海湖, 吴建文 WU Jianwen, 马悦 MA Yue, 杨小涛 YANG Xiaotao, and 郑羽 ZHENG Yu. "高非线性光子晶体光纤中可见光至近红外超连续谱的产生." ACTA PHOTONICA SINICA 51, no. 9 (2022): 0906001. http://dx.doi.org/10.3788/gzxb20225109.0906001.

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41

Casarejos, Enrique, Jose Riol, Jose Lopez-Campos, Abraham Segade, and Jose Vilan. "Evaluation of an FE Model for the Design of a Complex Thin-Wall CFRP Structure for a Scientific Instrument." Materials 12, no. 3 (February 5, 2019): 489. http://dx.doi.org/10.3390/ma12030489.

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In this paper, the reliability of a finite element (FE) model including carbon-fibre reinforced plastics (CFRPs) is evaluated for a case of a complex thin-wall honeycomb structure designed for a scientific instrument, such as a calorimeter. Mechanical calculations were performed using FE models including CFRPs, which required a specific definition to describe the micro-mechanical behaviour of the orthotropic materials coupled to homogeneous ones. There are well-known commercial software packages used as powerful tools for analyzing structures; however, for complex (many-parts) structures, the models become largely time consuming for both definition and calculation, which limits the appropriate feedback for the structure’s design. This study introduces a method to reduce a highly nonlinear model, including CFRPs, into a robust, simplified and realistic FE model capable of describing the deformations of the structure with known uncertainties. Therefore, to calculate the deviations of our model, displacement measurements in a reduced mechanical setup were performed, and then a variety of FE models were studied with the objective to find the simplest model with reliable results. The approach developed in this work leads to concluding that the deformations evaluated, including the uncertainties, were below the actual production tolerances, which makes the proposed model a successful tool for the designing process. Ultimately, this study serves as a future reference for complex projects requiring intensive mechanical evaluations for designing decisions.

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Yueying Zhan, Yueying Zhan, Min Zhang Min Zhang, Zhuo Liu Zhuo Liu, and Xue Chen Xue Chen. "Simultaneous format conversion of parallel multichannel based on FWM in symmetric highly nonlinear fiber loop." Chinese Optics Letters 12, no. 3 (2014): 030602–30605. http://dx.doi.org/10.3788/col201412.030602.

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Snyder, A. W., Y. Chen, L. Poladian, and D. J. Mitchell. "Fundamental mode of highly nonlinear fibres." Electronics Letters 26, no. 10 (May 1, 1990): 643–44. http://dx.doi.org/10.1049/el:19900421.

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Ademgil, H., and S. Haxha. "Highly nonlinear birefringent photonic crystal fiber." Optics Communications 282, no. 14 (July 2009): 2831–35. http://dx.doi.org/10.1016/j.optcom.2009.04.018.

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Zhang, Z. X., Z. Q. Ye, M. H. Sang, and Y. Y. Nie. "Nonlinear-polarization-rotation based multiwavelength erbium-doped fiber lasers with highly nonlinear fiber." Laser Physics 21, no. 10 (September 2, 2011): 1820–24. http://dx.doi.org/10.1134/s1054660x11190327.

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Rodrigues, Sílvia M., Margarida M. Facão, Sofia C. Latas, and Mário F. Ferreira. "Highly nonlinear layered spiral microstructured optical fiber." Photonics and Nanostructures - Fundamentals and Applications 11, no. 3 (August 2013): 226–33. http://dx.doi.org/10.1016/j.photonics.2013.03.001.

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Hasan, M. I., M. Selim Habib, M. Samiul Habib, and S. M. Abdur Razzak. "Highly nonlinear and highly birefringent dispersion compensating photonic crystal fiber." Optical Fiber Technology 20, no. 1 (January 2014): 32–38. http://dx.doi.org/10.1016/j.yofte.2013.11.005.

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48

Yamashita, Shinji, and Yukihiro Inoue. "Multiwavelength Er-Doped Fiber Ring Laser Incorporating Highly Nonlinear Fiber." Japanese Journal of Applied Physics 44, No. 34 (August 12, 2005): L1080—L1081. http://dx.doi.org/10.1143/jjap.44.l1080.

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Begum, Feroza, Hazwani Suhaimi, Norazanita Shamsuddin, Martin Geoffrey Blundell, and Yoshinori Namihira. "Supercontinuum generated high power highly nonlinear photonic crystal fiber for medical and optical communications applications." Modern Electronic Materials 4, no. 2 (June 1, 2018): 53–58. http://dx.doi.org/10.3897/j.moem.4.2.33839.

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This paper investigates a supercontinuum generated high power highly nonlinear photonic crystal fiber for medical and optical communication applications. The full vector finite difference method with perfectly matched layer is used as an analysis tool. Numerical simulation results show that it is possible to achieve high nonlinear coefficient, near zero ultra-flattened dispersion, low confinement loss and supercontinuum spectrum with high power. Moreover, numerical results show that short length of the proposed photonic crystal fiber is achieved. The numerical simulation results of supercontinuum generation is conducted by solving the generalized nonlinear Schrödinger equation with the split-step Fourier method. It is observed adequate supercontinuum spectrum that broaden from 960 to 1870 nm by considering center wavelengths of 1.06, 1.31, and 1.55 μm into silica based index guiding photonic crystal fiber. This simulation results prove that the proposed design of a highly nonlinear photonic crystal fiber is a great solution for broad supercontinuum generation with high power.

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Ademgil, Huseyin, Shyqyri Haxha, and Fathi AbdelMalek. "Highly Nonlinear Bending-Insensitive Birefringent Photonic Crystal Fibres." Engineering 02, no. 08 (2010): 608–16. http://dx.doi.org/10.4236/eng.2010.28078.

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