Stretchable Optical Fibers: Stretchable Thermoplastic Elastomer Optical Fibers for Sensing of Extreme Deformations (Adv. Funct. Mater. 5/2019)

Leber, Andreas; Cholst, Beth; Sandt, Joseph D.; Vogel, Nicolas; Kolle, Mathias

doi:10.1002/adfm.201970030

Cited by 30 publications

(39 citation statements)

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“…In fact, while most of the conventional photonic sensors are focused on bioassay, the majority of the flexible and stretchable photonic sensors developed so far are strain and pressure sensors. For instance, the pressure sensor fabricated by Ramuz et al was able to detect milligram objects with a sensitivity of 0.2 kPa −1 ; the force sensor array developed by Yun et al demonstrated sensitivity up to 16% N −1 ; the stretchable step‐index optical fiber proposed by Laber et al had a reversible strain measurement range of 0% to 300% . Furthermore, flexible and stretchable photonic sensors possess the mechanical properties to enable conformal integration on curvilinear surfaces, which can enhance the photonic performances of the devices or even create new functionalities for photonic systems.…”

Section: Discussionmentioning

confidence: 99%

Section: Flexible and Stretchable Photonic Sensorsmentioning

confidence: 99%

“…In order to accommodate large‐scale deformation, hyperstretchable photonic sensors are highly demanded. Leber et al developed a stretchable step‐index optical fiber with a maximum stretchability of more than 545%, as shown in Figure h . The materials used for the core and cladding layer were polystyrene‐based polymer and fluorinated polymer, respectively.…”

Section: Flexible and Stretchable Photonic Sensorsmentioning

confidence: 99%

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Flexible and Stretchable Photonic Sensors Based on Modulation of Light Transmission

Wang

2019

Advanced Optical Materials

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Emerging technologies, such as soft robotics, electronic skin, wearable devices, and flexible display, demand the practical application of photonic sensors that are bendable and stretchable, as conventional photonic sensors are fabricated with rigid materials and substrates, rendering their applications in deformable state or soft systems infeasible. Thus, the development of flexible and stretchable photonic sensors, which can be wrapped onto curved surfaces and easily deformed into different shapes and sizes, has inspired great research interest. This article presents recent progress in the development of flexible and stretchable photonic sensors, particularly photonic sensors based on the modulation of light transmission, from the aspects of materials synthesis and selection, structure design, fabrication methods, sensing characteristics, and performances. The challenges and future research opportunities related to flexible and stretchable photonic sensors and their potential application prospects are also discussed.

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Section: Discussionmentioning

confidence: 99%

Section: Flexible and Stretchable Photonic Sensorsmentioning

confidence: 99%

Section: Flexible and Stretchable Photonic Sensorsmentioning

confidence: 99%

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Flexible and Stretchable Photonic Sensors Based on Modulation of Light Transmission

Wang

2019

Advanced Optical Materials

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“…By taking advantage of its superior properties, PDMS has been used to fabricate stretchable optical fibers and waveguides, as listed in Table 2. Other transparent elastomers being used to fabricate stretchable optical fibers include polyurethane [53] and polystyrene-based polymers [6].…”

Section: Elastomer Optical Fibers/waveguidesmentioning

confidence: 99%

“…Besides silica glass materials, other thermally drawable materials have been proposed and demonstrated to fabricate optical fibers so that the fibers can be deployed with multiple functions. The first type of these materials is a polymer, such as polymethyl methacrylate (PMMA) [3], thermoplastic cyclic olefin copolymer (TOPAS ® ) [4], ZEONEX [5], PDMS [6], and hydrogels [7]. To achieve light guidance, either the core is doped with other materials to increase the refractive index, or microstructure is introduced [5].…”

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Multifunctional Smart Optical Fibers: Materials, Fabrication, and Sensing Applications

et al. 2019

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This paper presents a review of the development of optical fibers made of multiple materials, particularly including silica glass, soft glass, polymers, hydrogels, biomaterials, Polydimethylsiloxane (PDMS), and Polyperfluoro-Butenylvinyleth (CYTOP). The properties of the materials are discussed according to their various applications. Typical fabrication techniques for specialty optical fibers based on these materials are introduced, which are mainly focused on extrusion, drilling, and stacking methods depending on the materials' thermal properties. Microstructures render multiple functions of optical fibers and bring more flexibility in fiber design and device fabrication. In particular, micro-structured optical fibers made from different types of materials are reviewed. The sensing capability of optical fibers enables smart monitoring. Widely used techniques to develop fiber sensors, i.e., fiber Bragg grating and interferometry, are discussed in terms of sensing principles and fabrication methods. Lastly, sensing applications in oil/gas, optofluidics, and particularly healthcare monitoring using specialty optical fibers are demonstrated. In comparison with conventional silica-glass single-mode fiber, state-of-the-art specialty optical fibers provide promising prospects in sensing applications due to flexible choices in materials and microstructures.

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The Triboelectric Nanogenerator as an Innovative Technology toward Intelligent Sports

2021

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In the new era of the Internet‐of‐Things, athletic big data collection and analysis based on widely distributed sensing networks are particularly important in the development of intelligent sports. Conventional sensors usually require an external power supply, with limitations such as limited lifetime and high maintenance cost. As a newly developed mechanical energy harvesting and self‐powered sensing technology, the triboelectric nanogenerator (TENG) shows great potential to overcome these limitations. Most importantly, TENGs can be fabricated using wood, paper, fibers, and polymers, which are the most frequently used materials for sports. Recent progress on the development of TENGs for the field of intelligent sports is summarized. First, the working mechanism of TENG and its association with athletic big data are introduced. Subsequently, the development of TENG‐based sports sensing systems, including smart sports facilities and wearable equipment is highlighted. At last, the remaining challenges and open opportunities are also discussed.

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Stretchable Optical Fibers: Stretchable Thermoplastic Elastomer Optical Fibers for Sensing of Extreme Deformations (Adv. Funct. Mater. 5/2019)

Cited by 30 publications

References 0 publications

Flexible and Stretchable Photonic Sensors Based on Modulation of Light Transmission

Flexible and Stretchable Photonic Sensors Based on Modulation of Light Transmission

Multifunctional Smart Optical Fibers: Materials, Fabrication, and Sensing Applications

The Triboelectric Nanogenerator as an Innovative Technology toward Intelligent Sports

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